BE1014542A3 - Colored soda-lime glass, for use in automobiles and buildings, comprises iron, ferrous iron, cerium and titanium - Google Patents

Abstract

A colored soda-lime glass comprises 0.5-1.0 wt.% iron (III) oxide, 20-65% iron (II) oxide, at least 0.1 wt.% cerium oxide and 0-0.2 wt.% titanium oxide. The glass has a light transmission of 15-55%, a total transmission of at most 30% and a dominant wavelength in transmission of at most 491 nm. A colored soda-lime glass comprises 0.5-1.0 wt.% iron (III) oxide, 20-65% ferrous iron (Fe2+) (ratio of Fe2+/total iron), at least 0.1 wt.% cerium oxide (CeO2) and 0-0.2 wt.% titanium oxide (TiO2). The glass has a light transmission, measured for illuminant A and calculated for a thickness of 4 mm (TLA4), of 15-55%; a total transmission in the ultraviolet measured for a thickness of 4 mm (TUV4) of at most 30%; and a dominant wavelength in transmission of at most 491 nm.

Description

       

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   Colored soda-lime glass
The present invention relates to a colored soda-lime glass.



   Soda-lime glass can be clear or colored, for example green, gray or blue in transmission.



   The expression "soda-lime glass" is used here in the broad sense and relates to any glass which is likely to contain the following main constituents forming glass (percentages by weight):
 EMI1.1
 
 <tb> SiO2 <SEP> 60 <SEP> to <SEP> 75 <SEP>% <September>
 <Tb>
 <tb> Na20 <SEP> 10 <SEP> to <SEP> 20 <SEP>% <September>
 <tb> CaO <SEP> 0 <SEP> to <SEP> 16 <SEP>% <September>
 <Tb>
 <tb> K2O <SEP> 0 <SEP> to <SEP> 10 <SEP>% <September>
 <Tb>
 <tb> MgO <SEP> 0 <SEP> to <SEP> 10 <SEP>% <September>
 <Tb>
 <tb> Al2O3 <SEP> 0 <SEP> to <SEP> 5 <SEP>% <September>
 <Tb>
 <tb> BaO <SEP> 0 <SEP> to <SEP> 2 <SEP>% <September>
 <Tb>
 <tb> BaO <SEP> + <SEP> CaO <SEP> + <SEP> MgO <SEP> 10 <SEP> to <SEP> 20 <SEP>%
 <Tb>
 <tb> K2O <SEP> + <SEP> Na20 <SEP> 10 <SEP> to <SEP> 20 <SEP>%
 <Tb>
 <tb> B203 <SEP> 0 <SEP> to <SEP> 5% <September>
 <Tb>
 
This type of glass is very widely used in the field of glazing

  for automotive or building, for example. It is commonly manufactured in the form of a ribbon by the float process. Such a ribbon can be cut into sheets which can then be curved or undergo a treatment for strengthening the mechanical properties, for example, thermal quenching.



   In general, it is necessary to relate the optical properties to a standard illuminant. In the present description, two standard illuminants are used: illuminant C and illuminant A defined by the International Commission on Lighting (C.LE.). Illuminant C represents average daylight having a color temperature of 6700 K. This illuminant is especially useful for evaluating the optical properties of glazing intended for buildings. Illuminant A represents the radiation from a Planck radiator at a temperature of around 2856 K. This illuminant represents the light emitted by

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 car headlights and is primarily intended to assess the optical properties of glazing intended for the automobile.



   The International Lighting Commission has also published a document entitled "Colorimetry, Official C.I.E. Recommendations" (May 1970) which describes a theory according to which the color coordinates for the light of each wavelength of the visible spectrum are defined so as to be able to be represented on a diagram having orthogonal axes x and y, called trichromatic diagram C.I.E. 1931.



  This trichromatic diagram shows the representative location of the light of each wavelength (expressed in nanometers) of the visible spectrum. This place is called "spectrum locus" and the light whose coordinates are placed on this spectrum locus is said to have 100% purity of excitation for the appropriate wavelength. The spectrum locus is closed by a line called the purple line which joins the points of the spectrum locus whose coordinates correspond to the wavelengths 380 nm (purple) and 780 nm (red). The area between the spectrum locus and the purple line is that available for the trichromatic coordinates of any visible light. The coordinates of the light emitted by the illuminant C for example, correspond to x = 0.3101 and y = 0.3162.

   This point C is considered to represent white light and therefore has an excitation purity equal to zero for any wavelength. Lines can be drawn from point C to the spectrum locus at, any desired wavelength and any point on these lines can be defined not only by its x and y coordinates, but also as a function of the wavelength corresponding to the line on which it is located and its distance from point C relative to the total length of the wavelength line. Consequently, the tint of the light transmitted by a sheet of colored glass can be described by its dominant wavelength (#D) and its excitation purity (P) expressed in percent.



   C.LE. of light transmitted by a sheet of colored glass will depend not only on the composition of the glass but also on its thickness. In the present description, as well as in the claims, all the values of the excitation purity P and of the dominant wavelength #D of the transmitted light are calculated from the specific spectral internal transmissions (TSIX) of a 5 mm thick glass sheet with illuminant C at a solid viewing angle of 2.



  The specific internal spectral transmission of a glass sheet is governed solely by the absorption of glass and can be expressed by the Beer-Lambert law:

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   TSl # = eeA # where A # is the absorption coefficient of the glass (in cm1) at the wavelength considered and E the thickness of the glass (in cm).

   As a first approximation, TSI # can also be represented by the formula (I3 + R2) / (11 - R1) where It is the intensity of the visible light incident on a first face of the glass sheet, R1 is the intensity visible light reflected by this face, I3 is the intensity of visible light transmitted from the second face of the glass sheet and R2 is the intensity of visible light reflected towards the inside of the sheet by this second side.



   In the description which follows as well as in the claims, the following are also used: the total light transmission for illuminant A (TLA), measured for a thickness of 4 mm (TLA4) under a solid observation angle of 2. This total transmission is the result of the integration between the wavelengths of 380 and 780 nm of the expression: ET # .E # .S # / # E # .S # in which T # is the transmission at the length d À wave, E # is the spectral distribution of the illuminant A and S # is the sensitivity of the normal human eye as a function of the wavelength λ.



   - total energy transmission (TE), measured for a thickness of 4 mm (TE4). This total transmission is the result of the integration between the wavelengths 300 and 2500 nm of the expression: # Tx.Ex / # E #. The energy distribution E, is the spectral energy distribution of the sun at 30 above the horizon, with an air mass equal to 2 and an inclination of the glazing of 60 relative to the horizontal. This distribution, called "Moon distribution", is defined in the ISO 9050 standard.



   - selectivity (SE), measured by the ratio of the total light transmission for illuminant A and the total energy transmission (TLA / TE).



   - total transmission in the ultraviolet, measured for a thickness of 4 mm (TUV4). This total transmission is the result of the integration between 280 and 380 nm of the expression: ET # .U # / # U # in which U # is the spectral distribution of the ultraviolet radiation having passed through the atmosphere, determined in the standard DIN 67507.



   - The Fe2 + / total Fe ratio, sometimes called the redox ratio, which represents the value of the ratio by weight of atom of Fe2 + relative to the total weight of the iron atoms present in the glass and which is obtained by

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 formula: Fe2 + / total Fe = [24. 4495 x log (92 / # 1050)] / t-Fe203 where # 1050 represents the internal specific transmission of the 5 mm glass at the wavelength of 1050 nm. t-Fe203 represents the total iron content expressed in the form of Fe203 oxide and measured by X-ray fluorescence.



   Colored glass can be used in architectural applications as well as in the glazing of railway cars and motor vehicles. In architectural application, glass sheets of 4 to 6 mm thick will generally be used whereas in the automotive field thicknesses of 1 to 5 mm are commonly used, in particular for the production of monolithic glazing and thicknesses between 1 and 3 mm in the case of laminated glazing, in particular of windshields, two sheets of glass of this thickness then being joined together by means of an interlayer film, generally made of polyvinyl butyral (PVB).



   One of the objects of the invention is to produce a soda-lime glass with low light transmission, preferably of blue color, making it possible to limit the unsightly discoloration of the objects placed inside the volumes delimited by this glass.



   European patent application EP 0 101 36 20 A1 and international application PCT / EPO1 / 06861 describe highly selective glasses comprising iron, with a high redox ratio (Fe2 + / total iron), and respectively cobalt and / or chromium and / or vanadium. However, favoring a high redox ratio can be to the detriment of other optical properties such as total transmission in the ultraviolet which is responsible for the discoloration of objects placed inside volumes delimited by such glasses.



   The invention provides glass compositions which have all the desired properties and in particular that of filtering ultraviolet solar radiation.



   The present invention provides a colored soda-lime glass which comprises main glass-forming constituents and coloring agents which comprise: iron in an amount which, expressed by weight of oxide Fe203 relative to the total weight of glass, is greater or equal to 0.5 and less than or equal to 1.0% (amount of total iron), ¯ ferrous iron in an amount which, expressed by weight of Fe2 + atoms relative to the total weight of the iron atoms present in the glass is between 20 and 65% (Fe2 + / total Fe ratio),

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 ¯ cerium in an amount which, expressed by weight of CeO2 relative to the total weight of glass is greater than or equal to 0.1%, ¯ titanium in an amount which,

   expressed by weight of TiO2 relative to the total weight of glass is greater than or equal to 0% and less than 0.2%, and the glass has: ¯ a light transmission, measured under illuminant A and calculated for a thickness of 4 mm ( TLA4), which is between 15 and 55%, ¯ a total transmission in the ultraviolet, measured for a thickness of 4 mm (TUV4) less than or equal to 30%, ¯ a dominant wavelength in transmission (#D ) less than or equal to 491 nm.



   It has been found that such a glass makes it possible to respond to the aesthetic and energetic considerations desired commercially. In particular in the field of motor vehicles, a colored glass according to the invention may have a blue tint, having a transmission wavelength less than or equal to 491 nm, appreciated by automobile manufacturers, a low light transmission and a low total transmission. in the ultraviolet to limit the unsightly discoloration of the objects placed inside the volumes delimited by this glass.



   The presence of cerium in an amount which, expressed by weight of CeO2 relative to the total weight of glass is greater than or equal to 0.1%, associated with the composition criteria concerning iron, makes it possible to produce a glass the length of which wave in transmission, the light transmission and the total transmission in the ultraviolet meet the current aesthetic and energy criteria in particular of motor vehicle manufacturers.



   Iron is present in most glasses on the market, especially in colored glasses. The presence of Fe3 + gives the glass a slight absorption of visible light of short wavelength (410 and 440 nm) and a very strong absorption band in the ultraviolet (absorption band centered on 380 nm), while that the presence of Fe2 + ions causes a strong absorption in the infrared (absorption band centered on 1050 nm). The presence of Fe3 + gives the glass a slight yellow coloration, generally considered unpleasant, while the ferrous ions Fe2 + give a pronounced blue green coloration. A high concentration of Fe2 + in the glass therefore makes it possible to reduce the energy transmission TE and to provide a pleasant coloring.

   However, the presence of iron in the molten glass bath causes absorption of infrared radiation which can cause

  <Desc / Clms Page number 6>

 obstacle to the diffusion of heat in the glass manufacturing furnace and therefore make this manufacturing more difficult. In addition, when the iron concentration increases, the light transmission of the glass decreases.



   The energy and optical properties of a glass, in particular its color, its light transmission and its total transmission in the ultraviolet result from a complex interaction between its components. The behavior of the components of the glass depends on their redox state and therefore on the presence of other components which can influence this redox state.



   It has been found that the glass as defined in the claims makes it possible to meet the aesthetic (color) and opto-energetic criteria (light transmission and total transmission in the ultraviolet) by easy control of its composition and particularly in terms of iron and of cerium.



   Preferably, the amount of total iron is less than or equal to 0.90%, preferably less than or equal to 0.89%. This facilitates the transition from the manufacture of clear glass to the manufacture of colored glass.



   Preferably, the amount of total iron is at least 0.7% or also at least 0.75%. This not only promotes obtaining a color pleasing to the eye but also obtaining a low light transmission as well as a low energy transmission.



   Preferably, the glass according to the invention comprises ferrous iron in an amount which, expressed by weight of Fe2 + atoms relative to the total weight of the iron atoms present in the glass, is between 20 and 65%, preferably between 35 and 55%, advantageously between 40 and 50%. Such a ratio makes it possible to obtain a lens combining good selectivity with low transmission in the ultraviolet.



   Preferably, the glass according to the present invention comprises cerium in an amount which, expressed by weight of CeO2 relative to the total weight of glass, is greater than 0.15%, preferably greater than 0.25% in order to limit as much as possible the unsightly discoloration of objects placed inside the volumes delimited by the glass according to the invention under the effect of ultraviolet solar radiation. Preferably, the glass according to the invention comprises cerium in an amount which, expressed by weight of CeO2 relative to the total weight of glass, is less than 1.0%, preferably less than or equal to 0.5%. In fact, too much cerium present can cause the dominant wavelength to shift towards green and yellow, which goes against the preferred shade.

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   The present invention advantageously combines a high redox ratio with an amount of cerium allowing the desired properties to be obtained without detracting from the aesthetic appearance of the glass.



   Preferably the colored glass according to the invention contains an amount of titanium, expressed by weight of TiO 2 relative to the total weight of glass, greater than or equal to 0% and less than 0.2%, preferably less than 0.15% , even less than 0.10%. Indeed, a high amount of Ti02 risks giving an undesired yellow coloration. In some cases TiO2 will only be contained in the glass after the presence of impurities, without deliberate addition.



   To produce a glass whose color is commercially desirable since it is deemed pleasing to the eye, the glass according to the invention may, in addition to those which we have already mentioned, include one or more of the following coloring agents: ¯ cobalt
The presence of cobalt tends to give the glass an intense blue color. Preferably, the glass according to the invention comprises cobalt in an amount which, expressed by weight of Co relative to the total weight of glass, is greater than 75 ppm, even greater than 100 ppm. Preferably the amount of cobalt is less than or equal to 350 ppm, advantageously less than or equal to 250 ppm.

   Too high a quantity of cobalt can affect the selectivity of the glass,
In a preferred form, the glass according to the invention comprises the main constituents forming glass and coloring agents essentially comprising Fe, Ce and Co according to at least one of the abovementioned ranges. Ti can optionally be added to Ti.



   In another preferred form, the glass according to the invention comprises the main constituents forming glass and coloring agents constituted by Fe, Ce and Co according to at least one of the abovementioned ranges. Ti can optionally be added to Ti.



   ¯ chrome
The presence of Cr "'tends to give the glass a light green coloration while the presence of CrVI causes a very intense absorption band at 365 nm and a yellow coloration of the glass. Preferably, the glass comprises chromium in a amount which, expressed by weight of Cr203 relative to the total weight of glass, is at least 5 parts per million (ppm). In some cases, the glass may include chromium in an amount which is

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 greater than or equal to 50 ppm, even greater than or equal to 100 ppm. Preferably the amount of chromium is less than 1000 ppm, advantageously less than or equal to 500 ppm.



   In a preferred form, the glass according to the invention comprises the main constituents forming glass and coloring agents essentially comprising Fe, Ce, Co and Cr according to at least one of the above-mentioned ranges. Ti can optionally be added to Ti.



   In another preferred form, the glass according to the invention comprises the main glass-forming constituents and coloring agents constituted by Fe, Ce, Co and Cr according to at least one of the above-mentioned ranges. Ti can optionally be added to Ti.



   . vanadium
The presence of vanadium tends to give the glass a green tint.



  Preferably, the glass according to the invention comprises vanadium in an amount which, expressed by weight of V2O5 relative to the total weight of glass, is less than 1000 ppm, advantageously less than 500 ppm. In some cases, V2O5 will be contained in the glass only after the presence of impurities without deliberate addition.



   The TLA4 light transmission of the colored glass according to the invention is between 15% and 55%, preferably between 20 and 45%, advantageously between 25 and 35%. This makes this glass well suited for use, for example, as glazing for motor vehicles, in particular as side glazing, as rear window, as a roof or even as a sunroof.



   The total transmission in the ultraviolet (TUV4) of the colored glass according to the invention is preferably less than or equal to 30%, but can be less than or equal to 25%, advantageously less than or equal to 20%. Such values of TUV4 make it possible to avoid unsightly discoloration of objects located in volumes delimited by such a glass and subjected to ultraviolet solar radiation.



   It is desirable that the colored glass according to the invention has a TE4 energy transmission of less than 45%, preferably less than 35%, advantageously less than 25%. A low energy transmission makes it possible to limit, during the period of sunshine, the heating of the interior volume delimited by the glass according to the invention, such as a building or a motor vehicle.

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   Preferably, the glass according to the invention has a selectivity greater than 1.0, preferably greater than 1.1. High selectivity is advantageous for both automotive and architectural applications because it limits the heating associated with solar radiation and therefore increases the thermal comfort of the occupants of the vehicle or building while providing high natural light and visibility. through the glazing.



   As regards the color of the glass according to the invention, it is desirable that its dominant wavelength in transmission #D is less than or equal to 489 nm. This corresponds to a glass whose color in transmission is generally qualified as blue, which appears pleasant to the human eye and which is highly appreciated commercially, in particular for glazing of motor vehicles. It is advantageous for the glass to have a #D less than or equal to 487 nm.



   Preferably, the purity of excitation in transmission of the glass according to the invention is greater than 10%, preferably greater than 15%. This corresponds to a marked shade, desired commercially. In certain cases, the purity of excitation in transmission may even be greater than 25%.



   In certain cases, the glass according to the invention may contain less than 200 parts per million (ppm), preferably less than 100 ppm of nickel, expressed by weight of NiO relative to the total weight of glass. The presence of nickel can affect the selectivity of the glass that contains it because it does not absorb light in the infrared range, which leads to a high energy transmission value. In addition, it provides a yellow color to the glass. In addition, the presence of nickel can cause difficulties in manufacturing the glass (formation of sulphides, inclusions of nickel in the glass).



   Preferably, the glass according to the invention contains less than 1500 parts per million, preferably less than 500 parts per million, of manganese expressed by weight of MnO relative to the total weight of glass. Manganese in the MnO2 form has an oxidizing character which can modify the redox state of the iron and induce a green shade.



   Preferably, the glass according to the invention contains more than 2% by weight of magnesium oxide MgO relative to the total weight of glass. The presence of magnesium is favorable for the fusion of the constituents during the production of the glass.



   Advantageously, the glass according to the invention contains less than 30 parts per million of selenium, preferably less than 20 parts per million by weight of Se relative to the total weight of glass. The presence of selenium as coloring agent can favor a weak light transmission but

  <Desc / Clms Page number 10>

 present in too large a quantity it can give the glass a pink or red coloring which is not desired.



   According to a preferred form of the invention, the coloring agents are present in an amount corresponding to the following proportions (expressed as a percentage by total weight of glass in the form indicated):
 EMI10.1
 
 <tb> Fe203 <SEP> 0.7-0.9%
 <Tb>
 <tb> CeO2 <SEP> 0.1-0.5%
 <Tb>
 <tb> Co <SEP> 130-160 <SEP> ppm
 <Tb>
 <tb> Cr203 <SEP> 200-400 <SEP> ppm
 <tb> Se <SEP> 0-10 <SEP> ppm
 <Tb>
 
According to a preferred embodiment, the glass according to the invention comprises the main constituents forming glass and coloring agents essentially comprising Fe, Ce, Co, Cr and Se according to at least one of the above-mentioned ranges. Ti can optionally be added to Ti.



   According to another preferred embodiment, the glass according to the invention comprises the main constituents forming glass and coloring agents constituted by Fe, Ce, Co, Cr and Se according to at least one of the above-mentioned ranges. Ti can optionally be added to Ti.



   It is desirable that the glass does not contain fluorinated compounds or at least that these do not represent more than 0.2% by weight of F relative to the weight of the glass. Indeed, these compounds cause rejection of furnaces harmful to the environment and are more corrosive for the refractory materials which line the interior of the manufacturing furnace.



   The colored glass according to the invention preferably forms a glazing for a motor vehicle. It can for example be advantageously used as side glazing, as a vehicle rear window, as a roof or as a sunroof.



   The glass according to the invention can be coated with a layer. For example, it may be a layer of metal oxides reducing its heating by solar radiation and consequently that of the passenger compartment of a vehicle using such glass as glazing.



   The glasses according to the present invention can be manufactured by traditional methods. As raw materials, natural materials, recycled glass, slag or a combination of these can be used. The glass components are not necessarily added in the form indicated, but this way of giving the quantities of the components,

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 in equivalents in the forms indicated, meets current practice. In practice, iron is generally added in the form of a hotpot, cobalt in the form of hydrated sulfate, such as CoS04.7H20 or CoSO4.6H2O, chromium in the form of dichromate such as K2Cr2O7. Cerium is often introduced in the form of oxide or carbonate, vanadium, in the form of vanadium oxide or sodium vanadate.

   Selenium, when present, can be introduced in elemental form or in the form of selenite such as Na2Se03 or ZnSe03.



   Other components are sometimes present due to impurities in the raw materials used to manufacture the glass according to the invention, whether in natural materials, in recycled glass or in slag, which is increasingly used, but when these impurities do not give the glass properties lying outside the limits defined above, these glasses are considered to be in accordance with the present invention.



   The present invention will be illustrated by the following examples:
Examples 1 to 141
Table 1 gives by way of non-limiting indication the basic composition of the glass. It is understood that a glass having the same optical and energetic properties can be obtained with a base composition having quantities of oxides included in the ranges of percentages by weight given at the beginning of this description.



   The glasses according to the examples contain less than 100 parts per million (ppm) of NiO, less than 500 ppm MnO2, and unless otherwise specified less than 3 ppm of Se, less than 0.1% of Ti02 and more than 2% MgO.



  Table I ANALYSIS basic glass
 EMI11.1
 
 <tb> SiO2 <SEP> 71.5 <SEP> to <SEP> 71.9%
 <Tb>
 <tb> A1203 <SEP> 0.8%
 <tb> CaO <SEP> 8.8%
 <Tb>
 <Tb>
 <tb> MgO <SEP> 4.2%
 <Tb>
 <tb> Na2O <SEP> 14.1%
 <Tb>
 <tb> K2O <SEP> 0.1%
 <tb> S03 <SEP> 0.05 <SEP> to <SEP> 0.45%
 <Tb>
 
The following table gives the concentrations of the components, the optical and energy properties of glasses according to the invention. The

  <Desc / Clms Page number 12>

 concentrations are determined by X-ray fluorescence of the glass and converted to the molecular species indicated.



   Table II
 EMI12.1
 
 <tb> Ex. <SEP> Fe203 <SEP> Fe2 = <SEP> Ce02 <SEP> Co <SEP> Cr2O3 <SEP> Se <SEP> TLA4 <SEP> TUV4 <SEP> #D <SEP> TE4 <SEP> P <SEP> SE
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> (%) <SEP> / Fe <SEP> tot <SEP> (%) <SEP> (ppm) <SEP> (%) <SEP> (ppm) <SEP> (%) <SEP> (%) <SEP> (nm) <SEP> (%) <SEP> (%)
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> (%)
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 1 <SEP> 0.875 <SEP> 32.73 <SEP> 0.29 <SEP> 150 <SEP> 351 <SEP> 32.9 <SEP> 12.6 <SEP> 483.3 <SEP> 25.9 <SEP> 30.2 <SEP> 1.27
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 2 <SEP> 0.873 <SEP> 35.42 <SEP> 0.49 <SEP> 146 <SEP> 352 <SEP> 33.0 <SEP> 11.8 <SEP> 483.4 <SEP> 24.9 <SEP> 30.2 <SEP> 1.32
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 3 <SEP> 0.893 <SEP> 41.52 <SEP> 0.10 <SEP> 152 <SEP> 352 <SEP> 31.4 <SEP> 15.8 <SEP> 482.9 <SEP> 22.4 <SEP> 33.3 <SEP> 1.40
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 4 <SEP> 0.874 <SEP> 33,

  58 <SEP> 0.49 <SEP> 147 <SEP> 354 <SEP> 32.8 <SEP> 11.2 <SEP> 483.5 <SEP> 25.5 <SEP> 29.8 <SEP> 1.29-
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 5 <SEP> 0.871 <SEP> 33.28 <SEP> 0.39 <SEP> 145 <SEP> 355 <SEP> 32.7 <SEP> 11.7 <SEP> 483.6 <SEP> 25.7 <SEP> 29.7 <SEP> 1.27
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 6 <SEP> 0.870 <SEP> 32.72 <SEP> 0.49 <SEP> 147 <SEP> 362 <SEP> 32.7 <SEP> 11.1 <SEP> 483.6 <SEP> 25.8 <SEP> 29.6 <SEP> 1.27
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 7 <SEP> 0.848 <SEP> 24.12 <SEP> 0.97 <SEP> 142 <SEP> 359 <SEP> 34.9 <SEP> 8.3 <SEP> 484.4 <SEP> 31.4 <SEP> 25.3 <SEP> 1.11
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 8 <SEP> 0.890 <SEP> 39.35 <SEP> 0.10 <SEP> 152 <SEP> 343 <SEP> 31.7 <SEP> 16.0 <SEP> 482.8 <SEP> 23.1 <SEP> 33.0 <SEP> 1.37
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 9 <SEP> 0.867 <SEP> 35.19 <SEP> 0.48 <SEP> 146 <SEP> 352 <SEP> 32.4 <SEP> 11.7 <SEP> 483.4 <SEP> 24.8 <SEP> 30,

  5 <SEP> 1.31
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 10 <SEP> 0.873 <SEP> 39.08 <SEP> 0.29 <SEP> 141 <SEP> 347 <SEP> 32.4 <SEP> 13.8 <SEP> 483.3 <SEP> 23.5 <SEP> 31.3 <SEP> 1.38
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 11 <SEP> 0.850 <SEP> 25.65 <SEP> 0.97 <SEP> 138 <SEP> 363 <SEP> 35.2 <SEP> 8.3 <SEP> 484.8 <SEP> 30.5 <SEP> 24.8 <SEP> 1.15
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 12 <SEP> 0.854 <SEP> 48.24 <SEP> 0.29 <SEP> 143 <SEP> 298 <SEP> 29.6 <SEP> 14.3 <SEP> 482.4 <SEP> 20.4 <SEP> 35.8 <SEP> 1.45
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 13 <SEP> 0.854 <SEP> 46.99 <SEP> 0.285 <SEP> 148 <SEP> 308 <SEP> 31.8 <SEP> 14.1 <SEP> 483.2 <SEP> 21.5 <SEP> 32.9 <SEP> 1.48
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 14 <SEP> 0.861 <SEP> 47.85 <SEP> 0.28 <SEP> 168 <SEP> 310 <SEP> 29.7 <SEP> 14.4 <SEP> 482.5 <SEP> 20.6 <SEP> 35.4 <SEP> 1.44
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 15 <SEP> 0.898 <SEP> 49.89 <SEP> 0,

  30 <SEP> 148 <SEP> 354 <SEP> 29.9 <SEP> 12.9 <SEP> 483.4 <SEP> 19.6 <SEP> 33.8 <SEP> 1.53
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 16 <SEP> 0.900 <SEP> 50.25 <SEP> 0.30 <SEP> 155 <SEP> 362 <SEP> 29.3 <SEP> 13.4 <SEP> 482.5 <SEP> 19.3 <SEP> 36.1 <SEP> 1.52
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 17 <SEP> 0.882 <SEP> 45.50 <SEP> 0.30 <SEP> 149 <SEP> 322 <SEP> 29.3 <SEP> 13.3 <SEP> 482.0 <SEP> 20.6 <SEP> 36.1 <SEP> 1.42
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 18 <SEP> 0.908 <SEP> 48.94 <SEP> 0.32 <SEP> 151 <SEP> 329 <SEP> 28.6 <SEP> 13.1 <SEP> 482.5 <SEP> 19.1 <SEP> 36.5 <SEP> 1.50
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 19 <SEP> 0.906 <SEP> 49.05 <SEP> 0.30 <SEP> 160 <SEP> 333 <SEP> 27.5 <SEP> 12.9 <SEP> 482.1 <SEP> 18.7 <SEP> 37.8 <SEP> 1.47
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 20 <SEP> 0.906 <SEP> 48.24 <SEP> 0.30 <SEP> 164 <SEP> 333 <SEP> 28.5 <SEP> 12.7 <SEP> 482.5 <SEP> 19.3 <SEP> 36,

  3 <SEP> 1.48
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 21 <SEP> 0.864 <SEP> 30.81 <SEP> 0.68 <SEP> 145 <SEP> 313 <SEP> 33.8 <SEP> 10.1 <SEP> 483.2 <SEP> 27.4 <SEP> 29.1 <SEP> 1.23
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 22 <SEP> 0.852 <SEP> 24.58 <SEP> 0.89 <SEP> 144 <SEP> 310 <SEP> 34.9 <SEP> 8.6 <SEP> 483.6 <SEP> 31.3 <SEP> 26.6 <SEP> 1.15
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 23 <SEP> 0.850 <SEP> 23.97 <SEP> 0.97 <SEP> 141 <SEP> 316 <SEP> 35.3 <SEP> 8.3 <SEP> 483.8 <SEP> 31.9 <SEP> 25.8 <SEP> 1.11
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 24 <SEP> 0.847 <SEP> 43.34 <SEP> 0.30 <SEP> 139 <SEP> 341 <SEP> 30.5 <SEP> 14.2 <SEP> 482.3 <SEP> 22.2 <SEP> 34.9 <SEP> 1.37
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 25 <SEP> 0.800 <SEP> 44.00 <SEP> 0.30 <SEP> 140 <SEP> 400 <SEP> 30.3 <SEP> 15.4 <SEP> 482.6 <SEP> 22.6 <SEP> 34.6 <SEP> 1.34
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 26 <SEP> 0.750 <SEP> 45.00 <SEP> 0,

  30 <SEP> 145 <SEP> 450 <SEP> 29.5 <SEP> 16.8 <SEP> 482.7 <SEP> 22.7 <SEP> 35.3 <SEP> 1.30
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 27 <SEP> 0.700 <SEP> 45.00 <SEP> 0.50 <SEP> 145 <SEP> 500 <SEP> 29.7 <SEP> 15.6 <SEP> 483.0 <SEP> 23.9 <SEP> 34.7 <SEP> 1.24
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 28 <SEP> 0.650 <SEP> 47.00 <SEP> 0.50 <SEP> 150 <SEP> 500 <SEP> 28.9 <SEP> 16.9 <SEP> 482.5 <SEP> 23.5 <SEP> 36.5 <SEP> 1.22
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 29 <SEP> 0.700 <SEP> 45.00 <SEP> 0.40 <SEP> 155 <SEP> 400 <SEP> 28.8 <SEP> 16.7 <SEP> 481.6 <SEP> 23.7 <SEP> 38.0 <SEP> 1.22
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 30 <SEP> 0.600 <SEP> 45.00 <SEP> 0.70 <SEP> 160 <SEP> 380 <SEP> 29.5 <SEP> 15.4 <SEP> 480.8 <SEP> 26.4 <SEP> 39.4 <SEP> 1.12
 <Tb>
 

  <Desc / Clms Page number 13>

 
 EMI13.1
 
 <tb> Ex.

    <SEP> Fe2O3 <SEP> Fe2 + <SEP> Ce02 <SEP> Co <SEP> Cr2O3 <SEP> Se <SEP> TLA4 <SEP> TUV4 <SEP> #D <SEP> TE4 <SEP> P <SEP> SE
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> (%) <SEP> / Fe <SEP> tot <SEP> (%) <SEP> (ppm) <SEP> (%) <SEP> (ppm) <SEP> (%) <SEP> (%) <SEP> (nm) <SEP> (%) <SEP> (%)
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> (%)
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 31 <SEP> 0.550 <SEP> 45.00 <SEP> 0.70 <SEP> 155 <SEP> 550 <SEP> 29.8 <SEP> 16.9 <SEP> 482.4 <SEP> 27.0 <SEP> 36.2 <SEP> 1.10
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 32 <SEP> 0.700 <SEP> 45.00 <SEP> 0.50 <SEP> 150 <SEP> 450 <SEP> 29.3 <SEP> 15.6 <SEP> 482.3 <SEP> 23.8 <SEP> 36.3 <SEP> 1.23
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 33 <SEP> 0.500 <SEP> 50.00 <SEP> 0.90 <SEP> 155 <SEP> 590 <SEP> 28.2 <SEP> 15.8 <SEP> 482.6 <SEP> 25.0 <SEP> 37.6 <SEP> 1.13
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 34 <SEP> 0.600 <SEP> 40.00 <SEP> 0,

  90 <SEP> 150 <SEP> 50 <SEP> 35.7 <SEP> 12.2 <SEP> 478.0 <SEP> 32.4 <SEP> 38.7 <SEP> 1.10
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 35 <SEP> 0.850 <SEP> 40.00 <SEP> 0.90 <SEP> 140 <SEP> 50 <SEP> 33.4 <SEP> 6.3 <SEP> 479.6 <SEP> 26.4 <SEP> 36.3 <SEP> 1.26
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 36 <SEP> 0.600 <SEP> 50.00 <SEP> 0.90 <SEP> 150 <SEP> 0 <SEP> 32.1 <SEP> 12.1 <SEP> 478.0 <SEP> 26.1 <SEP> 43.0 <SEP> 1.23
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 37 <SEP> 0.850 <SEP> 40.00 <SEP> 0.90 <SEP> 140 <SEP> 0 <SEP> 33.8 <SEP> 6.1 <SEP> 479.1 <SEP> 26.7 <SEP> 37.0 <SEP> 1.26
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 38 <SEP> 0.875 <SEP> 50.00 <SEP> 0.90 <SEP> 100 <SEP> 50 <SEP> 36.1 <SEP> 5.4 <SEP> 481.7 <SEP> 21.8 <SEP> 32.1 <SEP> 1.66
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 39 <SEP> 0.850 <SEP> 55.00 <SEP> 0.90 <SEP> 70 <SEP> 50 <SEP> 39.8 <SEP> 5.7 <SEP> 483.1 <SEP> 21.1 <SEP> 28,

  3 <SEP> 1.88
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 40 <SEP> 0.875 <SEP> 60.00 <SEP> 0.90 <SEP> 50 <SEP> 300 <SEP> 39.0 <SEP> 5.5 <SEP> 487.7 <SEP> 17.0 <SEP> 23.2 <SEP> 2.29
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 41 <SEP> 0.850 <SEP> 50.00 <SEP> 0.90 <SEP> 30 <SEP> 0 <SEP> 49.2 <SEP> 5.3 <SEP> 485.5 <SEP> 27.2 <SEP> 19.6 <SEP> 1.81
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 42 <SEP> 0.847 <SEP> 40.00 <SEP> 0.30 <SEP> 139 <SEP> 340 <SEP> 31.8 <SEP> 14.2 <SEP> 482.3 <SEP> 24.4 <SEP> 33.7 <SEP> 1.30 <SEP>. <September>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>



  43 <SEP> 0.850 <SEP> 44.00 <SEP> 0.30 <SEP> 140 <SEP> 500 <SEP> 28.8 <SEP> 14.5 <SEP> 483.9 <SEP> 20.8 <SEP> 33.2 <SEP> 1.39
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 44 <SEP> 0.850 <SEP> 45.00 <SEP> 0.30 <SEP> 150 <SEP> 200 <SEP> 29.9 <SEP> 13.8 <SEP> 483.9 <SEP> 21.5 <SEP> 33.2 <SEP> 1.39
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 45 <SEP> 0.850 <SEP> 45.00 <SEP> 0.30 <SEP> 170 <SEP> 100 <SEP> 28.9 <SEP> 13.6 <SEP> 479.3 <SEP> 21.5 <SEP> 44.3 <SEP> 1.34
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 46 <SEP> 0.850 <SEP> 40.00 <SEP> 0.30 <SEP> 190 <SEP> 50 <SEP> 29.5 <SEP> 13.5 <SEP> 478.3 <SEP> 24.5 <SEP> 46.9 <SEP> 1.20
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 47 <SEP> 0.850 <SEP> 45.00 <SEP> 0.30 <SEP> 200 <SEP> 0 <SEP> 27.0 <SEP> 13.4 <SEP> 478.0 <SEP> 21.2 <SEP> 51.2 <SEP> 1.28
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 48 <SEP> 0.850 <SEP> 45.00 <SEP> 0.30 <SEP> 250 <SEP> 380 <SEP> 19,

  6 <SEP> 14.2 <SEP> 480.1 <SEP> 17.5 <SEP> 54.9 <SEP> 1.12
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 49 <SEP> 0.600 <SEP> 25.00 <SEP> 0.95 <SEP> 350 <SEP> 20 <SEP> 24.9 <SEP> 11.4 <SEP> 475.4 <SEP> 36.8 <SEP> 69.9 <SEP> 0.68
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 50 <SEP> 0.875 <SEP> 45.00 <SEP> 0.90 <SEP> 76 <SEP> 600 <SEP> 32.4 <SEP> 6.9 <SEP> 489.8 <SEP> 21.3 <SEP> 19.8 <SEP> 1.52
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 51 <SEP> 0.850 <SEP> 50.00 <SEP> 0.11 <SEP> 105 <SEP> 600 <SEP> 29.0 <SEP> 17.0 <SEP> 486.2 <SEP> 17.1 <SEP> 28.4 <SEP> 1.69
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 52 <SEP> 0.850 <SEP> 50.00 <SEP> 0.90 <SEP> 120 <SEP> 500 <SEP> 27.8 <SEP> 7.3 <SEP> 485.1 <SEP> 17.9 <SEP> 30.3 <SEP> 1.55
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 53 <SEP> 0.700 <SEP> 55.00 <SEP> 0.90 <SEP> 160 <SEP> 0 <SEP> 28.6 <SEP> 9.7 <SEP> 478.6 <SEP> 20.3 <SEP> 46.2 <SEP> 1,

  41
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 53 <SEP> 0.850 <SEP> 30.00 <SEP> 0.90 <SEP> 165 <SEP> 500 <SEP> 31.6 <SEP> 7.2 <SEP> 483.5 <SEP> 29.7 <SEP> 31.1 <SEP> 1.07
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 54 <SEP> 0.850 <SEP> 45.00 <SEP> 0.90 <SEP> 180 <SEP> 380 <SEP> 25.3 <SEP> 7.0 <SEP> 481.9 <SEP> 20.1 <SEP> 40.8 <SEP> 1.26
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 55 <SEP> 1,000 <SEP> 40.00 <SEP> 0.30 <SEP> 139 <SEP> 340 <SEP> 29.3 <SEP> 10.6 <SEP> 482.9 <SEP> 20.4 <SEP> 33.4 <SEP> 1.44
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 56 <SEP> 0.950 <SEP> 44.00 <SEP> 0.30 <SEP> 140 <SEP> 500 <SEP> 27.2 <SEP> 12.1 <SEP> 484.3 <SEP> 18.1 <SEP> 39.1 <SEP> 1.50 '
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 57 <SEP> 0.970 <SEP> 45.00 <SEP> 0.30 <SEP> 150 <SEP> 200 <SEP> 28.0 <SEP> 11.0 <SEP> 481.1 <SEP> 18.4 <SEP> 39.1 <SEP> 1.52
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 58 <SEP> 1,

  000 <SEP> 45.00 <SEP> 0.30 <SEP> 170 <SEP> 100 <SEP> 17.6 <SEP> 10.1 <SEP> 479.9 <SEP> 17.6 <SEP> 44.0 <SEP> 1.51
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 59 <SEP> 1,000 <SEP> 40.00 <SEP> 0.30 <SEP> 190 <SEP> 50 <SEP> 27.1 <SEP> 10.0 <SEP> 479.0 <SEP> 20.5 <SEP> 46.6 <SEP> 1.32
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 60 <SEP> 0.970 <SEP> 45.00 <SEP> 0.30 <SEP> 200 <SEP> 0 <SEP> 25.1 <SEP> 10.6 <SEP> 478.5 <SEP> 18.0 <SEP> 50.9 <SEP> 1.39
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 61 <SEP> 0.850 <SEP> 45.00 <SEP> 0.10 <SEP> 160 <SEP> 380 <SEP> 27.8 <SEP> 16.6 <SEP> 481.9 <SEP> 16.6 <SEP> 39.2 <SEP> 1.39
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 62 <SEP> 0.850 <SEP> 45.00 <SEP> 0.10 <SEP> 140 <SEP> 550 <SEP> 28.2 <SEP> 17.0 <SEP> 484.2 <SEP> 20.0 <SEP> 33.4 <SEP> 1.44
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 63 <SEP> 0.850 <SEP> 45.00 <SEP> 0.95 <SEP> 140 <SEP> 700 <SEP> 26,

  3 <SEP> 7.1 <SEP> 486.5 <SEP> 19.5 <SEP> 29.5 <SEP> 1.35
 <Tb>
 

  <Desc / Clms Page number 14>

 
 EMI14.1
 
 <tb> Ex. <SEP> Fe203 <SEP> Fe2 + <SEP> Ce02 <SEP> Co <SEP> Cr203 <SEP> Se <SEP> TLA4 <SEP> TUV4 <SEP> #D <SEP> TE4 <SEP> P <SEP> SE
 <Tb>
 <Tb>
 <Tb>
 <tb> (%) <SEP> / Fe <SEP> tot <SEP> (%) <SEP> (ppm) <SEP> (%) <SEP> (ppm) <SEP> (%) <SEP> (%) <SEP> (nm) <SEP> (%) <SEP> (%)
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> (%)
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 64 <SEP> 0.900 <SEP> 40.00 <SEP> 0.95 <SEP> 140 <SEP> 800 <SEP> 26.7 <SEP> 6.1 <SEP> 488.2 <SEP> 20.9 <SEP> 26.5 <SEP> 1.28
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 65 <SEP> 0.875 <SEP> 45.00 <SEP> 0.90 <SEP> 150 <SEP> 950 <SEP> 23.1 <SEP> 7.7 <SEP> 488.8 <SEP> 23.1 <SEP> 17.0 <SEP> 1.35
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 66 <SEP> 0.900 <SEP> 40.00 <SEP> 0.50 <SEP> 237 <SEP> 600 <SEP> 20.0 <SEP> 11.1 <SEP> 482.1 <SEP> 18.7 <SEP> 47,

  2 <SEP> 1.07
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 67 <SEP> 0.700 <SEP> 35.00 <SEP> 0.90 <SEP> 5 <SEP> 30 <SEP> 50.0 <SEP> 9.7 <SEP> 485.3 <SEP> 37.8 <SEP> 10.7 <SEP> 1.32
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 68 <SEP> 0.700 <SEP> 30.00 <SEP> 0.20 <SEP> 34 <SEP> 30 <SEP> 50.0 <SEP> 18.1 <SEP> 481.1 <SEP> 39.7 <SEP> 15.8 <SEP> 1.26
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 69 <SEP> 0.510 <SEP> 55.00 <SEP> 0.10 <SEP> 165 <SEP> 500 <SEP> 28.0 <SEP> 24.9 <SEP> 481.6 <SEP> 21.6 <SEP> 42.7 <SEP> 1.29
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 70 <SEP> 0.850 <SEP> 45.00 <SEP> 0.90 <SEP> 280 <SEP> 380 <SEP> 16.4 <SEP> 7.0 <SEP> 479.9 <SEP> 17.1 <SEP> 58.9 <SEP> 0.96
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 71 <SEP> 0.970 <SEP> 45.00 <SEP> 0.90 <SEP> 200 <SEP> 600 <SEP> 19.9 <SEP> 4.7 <SEP> 483.6 <SEP> 15.1 <SEP> 41.3 <SEP> 1.32
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 72 <SEP> 0.990 <SEP> 45.00 <SEP> 0,

  90 <SEP> 220 <SEP> 600 <SEP> 17.8 <SEP> 4.2 <SEP> 483.1 <SEP> 13.9 <SEP> 44.9 <SEP> 1.27
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 73 <SEP> 0.850 <SEP> 30.00 <SEP> 0.20 <SEP> 48 <SEP> 455 <SEP> 42.9 <SEP> 15.6 <SEP> 490.9 <SEP> 32.8 <SEP> 12.9 <SEP> 1.31
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 74 <SEP> 0.850 <SEP> 20.00 <SEP> 0.90 <SEP> 200 <SEP> 380 <SEP> 33.4 <SEP> 6.94 <SEP> 481.0 <SEP> 35.8 <SEP> 35.4 <SEP> 0.93
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 75 <SEP> 0.850 <SEP> 25.00 <SEP> 0.20 <SEP> 180 <SEP> 380 <SEP> 33.8 <SEP> 15.4 <SEP> 481.1 <SEP> 32.6 <SEP> 35.4 <SEP> 1.04
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 76 <SEP> 0.850 <SEP> 20.00 <SEP> 0.30 <SEP> 180 <SEP> 380 <SEP> 35.6 <SEP> 14.1 <SEP> 481.1 <SEP> 35.9 <SEP> 33.3 <SEP> 0.99
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 77 <SEP> 0.850 <SEP> 50.00 <SEP> 0.20 <SEP> 140 <SEP> 300 <SEP> 28.1 <SEP> 15.3 <SEP> 481.9 <SEP> 17.9 <SEP> 38.2 <SEP> 1,

  57
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 78 <SEP> 0.850 <SEP> 50.00 <SEP> 0.40 <SEP> 150 <SEP> 380 <SEP> 26.5 <SEP> 15.3 <SEP> 482.4 <SEP> 17.3 <SEP> 38.5 <SEP> 1.53
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 79 <SEP> 0.820 <SEP> 30.00 <SEP> 0.40 <SEP> 100 <SEP> 380 <SEP> 39.2 <SEP> 13.7 <SEP> 482.4 <SEP> 32.7 <SEP> 38.5 <SEP> 1.20
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 80 <SEP> 0.800 <SEP> 33.00 <SEP> 0.40 <SEP> 80 <SEP> 200 <SEP> 41.6 <SEP> 13.8 <SEP> 482.4 <SEP> 32.9 <SEP> 38.5 <SEP> 1.27
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 81 <SEP> 0.750 <SEP> 35.00 <SEP> 0.40 <SEP> 50 <SEP> 180 <SEP> 44.4 <SEP> 14.9 <SEP> 482.4 <SEP> 33.9 <SEP> 38.5 <SEP> 1.31
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 82 <SEP> 0.850 <SEP> 32.00 <SEP> 0.20 <SEP> 40 <SEP> 150 <SEP> 45.3 <SEP> 14.9 <SEP> 482.4 <SEP> 33.5 <SEP> 38.5 <SEP> 1.35
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 83 <SEP> 0.650 <SEP> 40.00 <SEP> 0,

  20 <SEP> 20 <SEP> 50 <SEP> 48.0 <SEP> 19.4 <SEP> 482.4 <SEP> 34.7 <SEP> 38.5 <SEP> 1.38
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 84 <SEP> 0.800 <SEP> 32.00 <SEP> 0.40 <SEP> 15 <SEP> 20 <SEP> 49.2 <SEP> 13.4 <SEP> 482.4 <SEP> 36.5 <SEP> 38.5 <SEP> 1.35
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 85 <SEP> 0.847 <SEP> 43.34 <SEP> 0.30 <SEP> 139 <SEP> 341 <SEP> 30.5 <SEP> 14.2 <SEP> 482.3 <SEP> 22.2 <SEP> 34.9 <SEP> 1.37
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 86 <SEP> 0.850 <SEP> 44.00 <SEP> 0.30 <SEP> 140 <SEP> 340 <SEP> 10 <SEP> 27.8 <SEP> 14.1 <SEP> 482.8 <SEP> 20.3 <SEP> 28.3 <SEP> 1.37
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 87 <SEP> 0.900 <SEP> 45.00 <SEP> 0.30 <SEP> 145 <SEP> 450 <SEP> 30 <SEP> 20.3 <SEP> 13.2 <SEP> 487.6 <SEP> 14.8 <SEP> 14.4 <SEP> 1.38
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 88 <SEP> 0.850 <SEP> 45.00 <SEP> 0.50 <SEP> 175 <SEP> 500 <SEP> 30 <SEP> 15.3 <SEP> 12.4 <SEP> 485.0 <SEP> 14.0 <SEP> 18,

  9 <SEP> 1.09
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 89 <SEP> 1,000 <SEP> 50.00 <SEP> 0.50 <SEP> 190 <SEP> 500 <SEP> 15.0 <SEP> 9.0 <SEP> 482.4 <SEP> 9.8 <SEP> 44.1 <SEP> 1.53
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 90 <SEP> 1,000 <SEP> 50.00 <SEP> 0.40 <SEP> 156 <SEP> 400 <SEP> 30 <SEP> 15.1 <SEP> 9.7 <SEP> 485.8 <SEP> 8.5 <SEP> 18.4 <SEP> 1.77
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 91 <SEP> 0.850 <SEP> 45.00 <SEP> 0.70 <SEP> 145 <SEP> 300 <SEP> 20 <SEP> 24.2 <SEP> 9.3 <SEP> 483.2 <SEP> 18.6 <SEP> 22.2 <SEP> 1.30
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 92 <SEP> 0.900 <SEP> 45.00 <SEP> 0.50 <SEP> 130 <SEP> 0 <SEP> 20 <SEP> 28.6 <SEP> 9.7 <SEP> 479.6 <SEP> 19.8 <SEP> 23.8 <SEP> 1.44
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 93 <SEP> 0.890 <SEP> 40.00 <SEP> 0.70 <SEP> 100 <SEP> 0 <SEP> 30 <SEP> 33.6 <SEP> 7.3 <SEP> 483.3 <SEP> 24.1 <SEP> 8.8 <SEP> 1.39 <September>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 94 <SEP> 0,

  880 <SEP> 50.00 <SEP> 0.90 <SEP> 120 <SEP> 35 <SEP> 25 <SEP> 27.0 <SEP> 5.4 <SEP> 481.6 <SEP> 17.2 <SEP> 18.7 <SEP> 1.57
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 95 <SEP> 0.900 <SEP> 40.00 <SEP> 0.90 <SEP> 130 <SEP> 0 <SEP> 28 <SEP> 28.4 <SEP> 4.9 <SEP> 479.9 <SEP> 22.4 <SEP> 15.4 <SEP> 1.27 <September>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 96 <SEP> 0.847 <SEP> 43.34 <SEP> 0.30 <SEP> 139 <SEP> 341 <SEP> 30.5 <SEP> 14.2 <SEP> 482.3 <SEP> 22.2 <SEP> 34.9 <SEP> 1.37
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 97 <SEP> 0.850 <SEP> 44.00 <SEP> 0.30 <SEP> 140 <SEP> 340 <SEP> 4 <SEP> 29.1 <SEP> 14.1 <SEP> 482.4 <SEP> 21.1 <SEP> 32.5 <SEP> 1.38
 <Tb>
 

  <Desc / Clms Page number 15>

 
 EMI15.1
 
 <tb> Ex.

    <SEP> Fe203 <SEP> Fe2 + <SEP> CeO2 <SEP> Co <SEP> Cr2O3 <SEP> Se <SEP> TLA4 <SEP> TUV4 <SEP> #D <SEP> TE4 <SEP> P <SEP> SE
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> (%) <SEP> / Fe <SEP> tot <SEP> (%) <SEP> (ppm) <SEP> (%) <SEP> (ppm) <SEP> (%) <SEP> (%) <SEP> (nm) <SEP> (%) <SEP> (%)
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> (%)
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 98 <SEP> 0.900 <SEP> 45.00 <SEP> 0.20 <SEP> 145 <SEP> 450 <SEP> 7 <SEP> 25.6 <SEP> 14.4 <SEP> 483.8 <SEP> 17.7 <SEP> 30.5 <SEP> 1.44
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 99 <SEP> 0.850 <SEP> 45.00 <SEP> 0.50 <SEP> 163 <SEP> 500 <SEP> 15 <SEP> 20.8 <SEP> 12.3 <SEP> 484.0 <SEP> 16.8 <SEP> 27.0 <SEP> 1.24
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 100 <SEP> 1,000 <SEP> 50.00 <SEP> 0.50 <SEP> 180 <SEP> 400 <SEP> 3 <SEP> 16.9 <SEP> 8.7 <SEP> 482.1 <SEP> 10.6 <SEP> 41.4 <SEP> 1.59
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 101 <SEP> 1,

  000 <SEP> 50.00 <SEP> 0.40 <SEP> 156 <SEP> 400 <SEP> 6 <SEP> 20.5 <SEP> 9.7 <SEP> 483.2 <SEP> 11.7 <SEP> 35.0 <SEP> 1.75
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 102 <SEP> 0.850 <SEP> 45.00 <SEP> 0.70 <SEP> 145 <SEP> 300 <SEP> 14 <SEP> 25.6 <SEP> 9.3 <SEP> 482.7 <SEP> 19.4 <SEP> 26.4 <SEP> 1.32
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 103 <SEP> 0.900 <SEP> 45.00 <SEP> 0.50 <SEP> 130 <SEP> 0 <SEP> 13 <SEP> 30.2 <SEP> 9.7 <SEP> 479.6 <SEP> 20.7 <SEP> 28.7 <SEP> 1.46
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 104 <SEP> 0.890 <SEP> 40.00 <SEP> 0.90 <SEP> 100 <SEP> 0 <SEP> 15 <SEP> 36.8 <SEP> 4.9 <SEP> 481.7 <SEP> 26.2 <SEP> 18.7 <SEP> 1.40
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 105 <SEP> 0.880 <SEP> 50.00 <SEP> 0.80 <SEP> 100 <SEP> 550 <SEP> 11 <SEP> 29.7 <SEP> 7.6 <SEP> 489.8 <SEP> 17.2 <SEP> 18.7 <SEP> 1.72
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 106 <SEP> 0.900 <SEP> 40.00 <SEP> 0,

  30 <SEP> 130 <SEP> 500 <SEP> 15 <SEP> 27.9 <SEP> 13.2 <SEP> 486.9 <SEP> 20.7 <SEP> 19.5 <SEP> 1.35
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 107 <SEP> 0.900 <SEP> 40.00 <SEP> 0.30 <SEP> 130 <SEP> 450 <SEP> 15 <SEP> 28.3 <SEP> 13.1 <SEP> 486.1 <SEP> 21.0 <SEP> 20.1 <SEP> 1.35
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 108 <SEP> 0.900 <SEP> 40.00 <SEP> 0.30 <SEP> 130 <SEP> 400 <SEP> 15 <SEP> 28.7 <SEP> 13.0 <SEP> 485.3 <SEP> 21.3 <SEP> 20.7 <SEP> 1.35
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 109 <SEP> 0.900 <SEP> 42.00 <SEP> 0.30 <SEP> 130 <SEP> 350 <SEP> 15 <SEP> 28.3 <SEP> 12.9 <SEP> 484.4 <SEP> 20.2 <SEP> 22.0 <SEP> 1.40
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 110 <SEP> 0.950 <SEP> 45.00 <SEP> 0.40 <SEP> 130 <SEP> 500 <SEP> 27.6 <SEP> 10.9 <SEP> 484.8 <SEP> 17.9 <SEP> 31.4 <SEP> 1.55
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 111 <SEP> 0.850 <SEP> 44.00 <SEP> 0,

  40 <SEP> 110 <SEP> 500 <SEP> 31.4 <SEP> 13.3 <SEP> 485.3 <SEP> 21.7 <SEP> 27.6 <SEP> 1.45
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 112 <SEP> 0.850 <SEP> 50.00 <SEP> 0.40 <SEP> 120 <SEP> 450 <SEP> 28.6 <SEP> 13.2 <SEP> 484.2 <SEP> 17.8 <SEP> 32.2 <SEP> 1.60
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 113 <SEP> 0.800 <SEP> 50.00 <SEP> 0.30 <SEP> 100 <SEP> 500 <SEP> 30.8 <SEP> 15.7 <SEP> 485.3 <SEP> 19.3 <SEP> 28.3 <SEP> 1.59
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 114 <SEP> 0.825 <SEP> 40.00 <SEP> 0.80 <SEP> 100 <SEP> 550 <SEP> 33.6 <SEP> 9.1 <SEP> 487.1 <SEP> 25.4 <SEP> 22.9 <SEP> 1.32
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 115 <SEP> 0.800 <SEP> 45.00 <SEP> 1.00 <SEP> 160 <SEP> 300 <SEP> 28.5 <SEP> 6.8 <SEP> 481.6 <SEP> 22.6 <SEP> 38.1 <SEP> 1.26
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 116 <SEP> 0.850 <SEP> 45.00 <SEP> 1.00 <SEP> 140 <SEP> 380 <SEP> 28.8 <SEP> 5.8 <SEP> 483,

  2 <SEP> 21.4 <SEP> 33.4 <SEP> 1.35
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 117 <SEP> 0.850 <SEP> 45.00 <SEP> 1.00 <SEP> 125 <SEP> 370 <SEP> 30.2 <SEP> 5.8 <SEP> 483.7 <SEP> 21.9 <SEP> 30.8 <SEP> 1.38
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 118 <SEP> 0.850 <SEP> 45.00 <SEP> 0.95 <SEP> 115 <SEP> 400 <SEP> 30.9 <SEP> 6.4 <SEP> 484.4 <SEP> 22.0 <SEP> 28.8 <SEP> 1.41
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 119 <SEP> 0.855 <SEP> 25.00 <SEP> 0.95 <SEP> 110 <SEP> 450 <SEP> 38.7 <SEP> 6.4 <SEP> 486.1 <SEP> 34.8 <SEP> 20.1 <SEP> 1.11
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 120 <SEP> 0.875 <SEP> 45.00 <SEP> 0.50 <SEP> 115 <SEP> 450 <SEP> 30.5 <SEP> 11.4 <SEP> 484.7 <SEP> 20.6 <SEP> 29.2 <SEP> 1.48
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 121 <SEP> 0.950 <SEP> 50.00 <SEP> 0.40 <SEP> 105 <SEP> 490 <SEP> 28.0 <SEP> 10.9 <SEP> 485.7 <SEP> 15.4 <SEP> 28.9 <SEP> 1,

  82
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 122 <SEP> 0.850 <SEP> 59.00 <SEP> 0.40 <SEP> 120 <SEP> 500 <SEP> 24.6 <SEP> 13.3 <SEP> 484.5 <SEP> 11.6 <SEP> 34.8 <SEP> 2.12
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 123 <SEP> 0.700 <SEP> 64.00 <SEP> 0.40 <SEP> 80 <SEP> 400 <SEP> 29.5 <SEP> 16.6 <SEP> 484.4 <SEP> 14.1 <SEP> 30.9 <SEP> 2.09
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 124 <SEP> 0.850 <SEP> 65.00 <SEP> 0.50 <SEP> 75 <SEP> 400 <SEP> 27.0 <SEP> 11.9 <SEP> 485.4 <SEP> 9.7 <SEP> 30.0 <SEP> 2.78
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 125 <SEP> 0.850 <SEP> 60.00 <SEP> 0.40 <SEP> 80 <SEP> 380 <SEP> 28.8 <SEP> 13.1 <SEP> 485.0 <SEP> 12.9 <SEP> 29.6 <SEP> 2.24
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 126 <SEP> 0.850 <SEP> 42.00 <SEP> 0.30 <SEP> 120 <SEP> 500 <SEP> 31.4 <SEP> 14.5 <SEP> 484.8 <SEP> 22.7 <SEP> 28.9 <SEP> 1.39
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 127 <SEP> 0,

  850 <SEP> 43.00 <SEP> 0.30 <SEP> 130 <SEP> 600 <SEP> 29.3 <SEP> 14.7 <SEP> 485.4 <SEP> 21.1 <SEP> 29.8 <SEP> 1.39
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 128 <SEP> 0.855 <SEP> 40.00 <SEP> 0.30 <SEP> 140 <SEP> 650 <SEP> 29.1 <SEP> 14.7 <SEP> 485.6 <SEP> 22.4 <SEP> 29.9 <SEP> 1.30
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 129 <SEP> 0.825 <SEP> 45.00 <SEP> 0.30 <SEP> 115 <SEP> 500 <SEP> 31.1 <SEP> 15.1 <SEP> 484.8 <SEP> 21.5 <SEP> 29.1 <SEP> 1.44
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 130 <SEP> 0.800 <SEP> 45.00 <SEP> 0.30 <SEP> 105 <SEP> 490 <SEP> 32.4 <SEP> 15.6 <SEP> 485.1 <SEP> 22.5 <SEP> 27.5 <SEP> 1.44
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 131 <SEP> 0.850 <SEP> 45.00 <SEP> 1.00 <SEP> 100 <SEP> 0 <SEP> 35.4 <SEP> 4.9 <SEP> 480.4 <SEP> 35.4 <SEP> 31.2 <SEP> 1.43 <September>
 <Tb>
 

  <Desc / Clms Page number 16>

 
 EMI16.1
 
 <tb> Ex <SEP>.

    <SEP> Fe2O3 <SEP> Fe2 + <SEP> CeOz <SEP> Co <SEP> Cr2O3 <SEP> Se <SEP> TLA4 <SEP> TUV4 <SEP> #D <SEP> TE4 <SEP> P <SEP> SE
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> (%) <SEP> / Fe <SEP> tot <SEP> (%) <SEP> (ppm) <SEP> (%) <SEP> (ppm) <SEP> (%) <SEP> (%) <SEP> (nm) <SEP> (%) <SEP> (%)
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> (%)
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 132 <SEP> 0.830 <SEP> 45.00 <SEP> 1.35 <SEP> 120 <SEP> 300 <SEP> 31.3 <SEP> 1.9 <SEP> 483.4 <SEP> 23.3 <SEP> 30.0 <SEP> 1.34
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 133 <SEP> 0.810 <SEP> 47.00 <SEP> 0.10 <SEP> 105 <SEP> 460 <SEP> 31.9 <SEP> 17.7 <SEP> 484.5 <SEP> 21.0 <SEP> 29.1 <SEP> 1.52
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 134 <SEP> 0.845 <SEP> 35.00 <SEP> 0.80 <SEP> 115 <SEP> 200 <SEP> 36.6 <SEP> 7.9 <SEP> 481.9 <SEP> 29.7 <SEP> 28.2 <SEP> 1.23
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 135 <SEP> 0.800 <SEP> 40.00 <SEP> 0,

  90 <SEP> 105 <SEP> 100 <SEP> 37.0 <SEP> 7.5 <SEP> 480.9 <SEP> 28.5 <SEP> 29.3 <SEP> 1.30
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 136 <SEP> 0.850 <SEP> 45.00 <SEP> 0.30 <SEP> 185 <SEP> 850 <SEP> 21.7 <SEP> 15.2 <SEP> 485.4 <SEP> 16.7 <SEP> 37.1 <SEP> 1.29
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 137 <SEP> 0.850 <SEP> 46.00 <SEP> 0.30 <SEP> 180 <SEP> 800 <SEP> 22.1 <SEP> 15.1 <SEP> 485.1 <SEP> 16.5 <SEP> 37.2 <SEP> 1.34
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 138 <SEP> 0.850 <SEP> 45.00 <SEP> 0.80 <SEP> 175 <SEP> 750 <SEP> 22.9 <SEP> 9.0 <SEP> 485.3 <SEP> 18.0 <SEP> 35.4 <SEP> 1.27
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 139 <SEP> 0.875 <SEP> 47.00 <SEP> 0.10 <SEP> 175 <SEP> 750 <SEP> 22.3 <SEP> 16.9 <SEP> 484.8 <SEP> 15.5 <SEP> 37.8 <SEP> 1.44
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 140 <SEP> 0.845 <SEP> 35.00 <SEP> 0.80 <SEP> 200 <SEP> 700 <SEP> 25.1 <SEP> 9.0 <SEP> 484,

  0 <SEP> 24.2 <SEP> 36.9 <SEP> 1.04
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <Tb>
 <tb> 141 <SEP> 0.856 <SEP> 40.00 <SEP> 0.30 <SEP> 187 <SEP> 750 <SEP> 24.0 <SEP> 12.5 <SEP> 484.7 <SEP> 20.5 <SEP> 36.4 <SEP> 1.16
 <Tb>



    

Claims (36)

 CLAIMS 1. Colored soda-lime glass which comprises the main constituents forming glass and coloring agents which comprise: iron in an amount which, expressed by weight of oxide Fe2O3 relative to the total weight of glass, is greater than or equal to 0.5 and less than or equal to 1.0% (amount of total iron), -ferrous iron in an amount which, expressed by weight of Fe2 + atoms relative to the total weight of the iron atoms present in the glass, is between 20 and 65% (Fe2 + / total Fe ratio), - cerium in an amount which, expressed by weight of CeO relative to the total weight of glass is greater than or equal to 0.1%, - titanium in one quantity which, expressed by weight of TiO relative to the total weight of glass, is greater than or equal to 0% and less than 0.2%  and the glass has: -a light transmission, measured under illuminant A and calculated for a thickness of 4 mm (TLA4), which is between 15 and 55%, -a total transmission in the ultraviolet, measured for a thickness of 4 mm (TUV4) less than or equal to 30%, -a dominant wavelength in transmission (#D) less than or equal to 491 nm. 2. colored soda-lime glass according to claim 1, characterized in that the amount of total iron is less than or equal to 0.90%. 3. colored soda-lime glass according to claim 2, characterized in that the total amount of iron is less than or equal to 0.89%. 4. colored soda-lime glass according to any one of the preceding claims, characterized in that the amount of total iron is at least 0.7%. 5. Colored soda-lime glass according to claim 4 characterized in that the amount of total iron is at least 0.75%. 6. Soda-lime colored glass according to any one of the preceding claims, characterized in that the coloring agents comprise cerium in an amount which, expressed by weight of CeO relative to the total weight of glass, is greater than 0.15%, preference greater than 0.25%.  <Desc / Clms Page number 18>   7. colored soda-lime glass according to any one of the preceding claims, characterized in that the coloring agents comprise cerium in an amount which, expressed by weight of CeO2 relative to the total weight of glass, is less than 1.0%, preferably less than or equal to 0.5%. 8. Soda-lime colored glass according to any one of the preceding claims, characterized in that the coloring agents comprise titanium in an amount which, expressed by weight of TiO2 relative to the total weight of glass, is less than 0.15%. 9. colored soda-lime glass according to claim 8 characterized in that the amount of titanium is less than 0.10%. 10. Colored soda-lime glass according to any one of the preceding claims, characterized in that the coloring agents comprise cobalt in an amount which, expressed by weight of Co relative to the total weight of glass, is greater than 75 ppm. 11. colored soda-lime glass according to claim 10 characterized in that the amount of cobalt is greater than 100 ppm. 12. Soda-lime colored glass according to any one of the preceding claims, characterized in that the coloring agents comprise cobalt in an amount which, expressed by weight of Co relative to the total weight of glass, is less than or equal to 350 ppm. 13. colored soda-lime glass according to claim 12 characterized in that the amount of cobalt is less than or equal to 250 ppm. 14. colored soda-lime glass according to any one of the preceding claims, characterized in that the coloring agents comprise chromium in an amount which, expressed by weight of Cr2O3 relative to the total weight of glass is at least 5 parts per million. 15. colored soda-lime glass according to claim 14 characterized in that the amount of chromium is greater than or equal to 50 ppm, preferably greater than or equal to 100 ppm. 16. Soda-lime colored glass according to any one of the preceding claims, characterized in that the coloring agents comprise chromium in an amount which, expressed by weight of Cr2O3 relative to the total weight of glass, is less than 1000 ppm, preferably less or equal to 500 ppm. 17. Soda-lime colored glass according to any one of the preceding claims, characterized in that the coloring agents comprise vanadium in an amount which expressed by weight of V2O5 relative to  <Desc / Clms Page number 19>  the total weight of the glass is less than 1000 ppm, preferably less than 500 ppm. 18. Soda-lime colored glass according to any one of the preceding claims, characterized in that the coloring agents comprise selenium in an amount which, expressed by weight of Se relative to the total weight of glass, is less than 30 ppm. 19. Soda-lime colored glass according to claim 18 characterized in that the amount of selenium is less than 20 ppm. 20. Soda-lime colored glass according to one of claims 10 to 13 which comprises the main constituents forming glass and coloring agents essentially comprising iron, cerium, titanium and cobalt. 21. Soda-lime colored glass according to one of claims 10 to 13 which comprises the main constituents forming glass and coloring agents consisting of iron, cerium, titanium and cobalt. 22. Soda-lime colored glass according to one of claims 14 to 16 which comprises the main constituents forming glass and coloring agents essentially comprising iron, cerium, titanium, cobalt and chromium. 23. Soda-lime colored glass according to one of claims 14 to 16 which comprises the main constituents forming glass and coloring agents consisting of iron, cerium, titanium, cobalt and chromium. 24. Soda-lime colored glass according to any one of the preceding claims, characterized in that the coloring agents comprise ferrous iron in an amount which, expressed by weight of Fe2 + atoms relative to the total weight of the iron atoms present in the glass is between 35 and 55%, preferably between 40 and 50%. 25. Colored soda-lime glass according to any one of the preceding claims, characterized in that it has an energy transmission measured according to the Moon distribution and calculated for a thickness of 4 mm (TE4) less than 45%. 26. colored soda-lime glass according to claim 25 characterized in that it has a TE4 of less than 35%, preferably less than 25%. 27. Colored soda-lime glass according to any one of the preceding claims, characterized in that its light transmission (TLA4) is between 20% and 45%.  <Desc / Clms Page number 20>   28. Colored soda-lime glass according to claim 27, characterized in that its TLA4 is between 25 and 35%. 29. Colored soda-lime glass according to any one of the preceding claims, characterized in that it has a selectivity (SE4) greater than 1.0, preferably greater than 1.1. 30. Colored soda-lime glass according to any one of the preceding claims, characterized in that it has total transmission in the ultraviolet, measured for a thickness of 4 mm (TUV4) less than or equal to 25%. 31. Colored soda-lime glass according to claim 30 characterized in that it has a TUV4 less than or equal to 20%. 32. Colored soda-lime glass according to any one of the preceding claims, characterized in that it has an excitation purity in transmission which is greater than 10%. 33. Colored soda-lime glass according to claim 32, characterized in that it has an excitation purity in transmission which is greater than 15%. 34. Colored soda-lime glass according to any one of the preceding claims, characterized in that its dominant wavelength in transmission #D is less than or equal to 489 nm. 35. Soda-lime glass according to claim 34 characterized in that its dominant wavelength is less than or equal to 487 nm. 36. Soda-lime glass according to any one of the preceding claims, characterized in that it is coated with a layer.