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FR2980848B1 - DEVICE AND METHOD FOR MEASURING THE FREE LIMIT CONTENT OF A CLINKER SAMPLE. - Google Patents

DEVICE AND METHOD FOR MEASURING THE FREE LIMIT CONTENT OF A CLINKER SAMPLE.

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Publication number
FR2980848B1
FR2980848B1 FR1102986A FR1102986A FR2980848B1 FR 2980848 B1 FR2980848 B1 FR 2980848B1 FR 1102986 A FR1102986 A FR 1102986A FR 1102986 A FR1102986 A FR 1102986A FR 2980848 B1 FR2980848 B1 FR 2980848B1
Authority
FR
France
Prior art keywords
probe
conductimetric
conductivity
measuring
electrodes
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
FR1102986A
Other languages
French (fr)
Other versions
FR2980848A1 (en
Inventor
Georges Frandgie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ITECA SOCADEI Sas
Original Assignee
ITECA SOCADEI Sas
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 by ITECA SOCADEI Sas filed Critical ITECA SOCADEI Sas
Priority to FR1102986A priority Critical patent/FR2980848B1/en
Publication of FR2980848A1 publication Critical patent/FR2980848A1/en
Application granted granted Critical
Publication of FR2980848B1 publication Critical patent/FR2980848B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
    • 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
    • G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
    • G01N33/383—Concrete or cement
    • 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
    • G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

Dispositif de mesure de la teneur en chaux libre d'un échantillon de clinker comprenant une sonde conductimétrique à électrodes (16) pour effectuer la mesure de la conductivité électrique d'un mélange dans lequel la chaux libre présente dans l'échantillon a été dissoute dans une quantité prédéterminée de mono-éthylène glycol, cette conductivité étant fonction de la teneur en chaux libre de l'échantillon de clinker. Une seconde sonde conductimétrique (18) différente de la sonde conductimétrique à électrodes telle qu'une sonde à induction mesure la conductivité électrique du mélange dont la conductivité a déjà été mesurée par la sonde conductimétrique à électrodes. Une unité de traitement (20) reçoit successivement la valeur de la conductivité donnée par la sonde conductimétrique à électrodes et la valeur de la conductivité donnée par la sonde conductimétrique à induction et fournit un signal de validation lorsque la différence entre les deux valeurs est inférieure à une valeur prédéterminéeDevice for measuring the free lime content of a clinker sample comprising a conductimetric probe with electrodes (16) for measuring the electrical conductivity of a mixture in which the free lime present in the sample has been dissolved in a predetermined quantity of mono-ethylene glycol, this conductivity being a function of the free lime content of the clinker sample. A second conductimetric probe (18) different from the conductimetric probe with electrodes such as an induction probe measures the electrical conductivity of the mixture, the conductivity of which has already been measured by the conductimetric probe with electrodes. A processing unit (20) successively receives the value of the conductivity given by the conductimetric probe with electrodes and the value of the conductivity given by the conductimetric induction probe and supplies a validation signal when the difference between the two values is less than a predetermined value

FR1102986A 2011-10-03 2011-10-03 DEVICE AND METHOD FOR MEASURING THE FREE LIMIT CONTENT OF A CLINKER SAMPLE. Active FR2980848B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1102986A FR2980848B1 (en) 2011-10-03 2011-10-03 DEVICE AND METHOD FOR MEASURING THE FREE LIMIT CONTENT OF A CLINKER SAMPLE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1102986A FR2980848B1 (en) 2011-10-03 2011-10-03 DEVICE AND METHOD FOR MEASURING THE FREE LIMIT CONTENT OF A CLINKER SAMPLE.

Publications (2)

Publication Number Publication Date
FR2980848A1 FR2980848A1 (en) 2013-04-05
FR2980848B1 true FR2980848B1 (en) 2014-06-06

Family

ID=44992976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1102986A Active FR2980848B1 (en) 2011-10-03 2011-10-03 DEVICE AND METHOD FOR MEASURING THE FREE LIMIT CONTENT OF A CLINKER SAMPLE.

Country Status (1)

Country Link
FR (1) FR2980848B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2585133B1 (en) * 1985-07-16 1987-10-09 Hasler Freres Internal Sa AUTOMATIC METHOD AND DEVICE FOR MEASURING THE CONTENT OF A SOLUBLE COMPONENT IN A POWDERY PRODUCT
US5157332A (en) * 1989-10-13 1992-10-20 The Foxboro Company Three-toroid electrodeless conductivity cell
US7078909B2 (en) * 2003-12-12 2006-07-18 Rosemount Analytical Inc. Flow-through conductivity sensor
EP2015059A1 (en) * 2007-07-09 2009-01-14 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Combined electrical and optical sensor for fluids

Also Published As

Publication number Publication date
FR2980848A1 (en) 2013-04-05

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