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BE624937A - - Google Patents

Info

Publication number
BE624937A
BE624937A BE624937DA BE624937A BE 624937 A BE624937 A BE 624937A BE 624937D A BE624937D A BE 624937DA BE 624937 A BE624937 A BE 624937A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE624937A publication Critical patent/BE624937A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
    • G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
    • G01N27/185—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested using a catharometer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0022—General constructional details of gas analysers, e.g. portable test equipment using a number of analysing channels
    • G01N33/0024—General constructional details of gas analysers, e.g. portable test equipment using a number of analysing channels a chemical reaction taking place or a gas being eliminated in one or more channels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/23—Carbon containing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Electrochemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
BE624937D 1961-12-05 1962-11-16 BE624937A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB43485/61A GB966343A (en) 1961-12-05 1961-12-05 Improvements relating to gas testing

Publications (1)

Publication Number Publication Date
BE624937A true BE624937A (xx) 1963-03-15

Family

ID=10428952

Family Applications (1)

Application Number Title Priority Date Filing Date
BE624937D BE624937A (xx) 1961-12-05 1962-11-16

Country Status (5)

Country Link
US (1) US3224838A (xx)
BE (1) BE624937A (xx)
DE (1) DE1296840B (xx)
FR (1) FR1339938A (xx)
GB (1) GB966343A (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967933A (en) * 1974-05-23 1976-07-06 Monitor Labs, Inc. Dual channel nitrogen oxides analyzer
US3972681A (en) * 1975-07-14 1976-08-03 Leeds & Northrup Company Flow-through thermal detector
US4362499A (en) * 1980-12-29 1982-12-07 Fisher Controls Company, Inc. Combustion control system and method
DE3331203C2 (de) * 1983-08-30 1987-05-07 Securiton AG, Zollikofen, Bern Vorrichtung zur Überwachung der Geschwindigkeit eines Gasstromes in einem Kanal
JPS6093954U (ja) * 1983-12-03 1985-06-26 株式会社堀場製作所 ガス流路切換装置
DE3837470A1 (de) * 1988-11-04 1990-05-10 Basf Ag Verfahren und vorrichtung zur pruefung von kraftstoff- und oeladditiven
IT1252088B (it) * 1991-10-25 1995-06-01 Erba Strumentazione Apparecchiatura e procedimento di analisi o-fid
BE1015893A3 (fr) * 2004-02-06 2005-11-08 Ct Rech Metallurgiques Asbl Procede de controle du decapage des metaux.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE283677C (xx) *
US2042646A (en) * 1930-11-20 1936-06-02 Us Fire Prot Corp Method of and means for analyzing gases by differential thermal conductivity measurements
US2486622A (en) * 1947-10-30 1949-11-01 Southern Res Inst Photoelectric apparatus for determining the physical properties of substances by alteating exposure to light
DE841809C (de) * 1950-11-25 1952-06-19 Siemens Ag Vorrichtung zur laufenden Anzeige des Unverbrannten in Flugasche
US3076697A (en) * 1959-09-11 1963-02-05 Miller Joseph Analyzer for determining concentration of combustibles in gases

Also Published As

Publication number Publication date
FR1339938A (fr) 1963-10-11
GB966343A (en) 1964-08-12
DE1296840B (de) 1969-06-04
US3224838A (en) 1965-12-21

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