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FR2116513B1 - - Google Patents

Info

Publication number
FR2116513B1
FR2116513B1 FR717143369A FR7143369A FR2116513B1 FR 2116513 B1 FR2116513 B1 FR 2116513B1 FR 717143369 A FR717143369 A FR 717143369A FR 7143369 A FR7143369 A FR 7143369A FR 2116513 B1 FR2116513 B1 FR 2116513B1
Authority
FR
France
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.)
Expired
Application number
FR717143369A
Other versions
FR2116513A1 (fr
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.)
Leybold Heraeus Verwaltung GmbH
Original Assignee
Leybold Heraeus Verwaltung GmbH
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 Leybold Heraeus Verwaltung GmbH filed Critical Leybold Heraeus Verwaltung GmbH
Publication of FR2116513A1 publication Critical patent/FR2116513A1/fr
Priority to JP10779472A priority Critical patent/JPS4862295A/ja
Application granted granted Critical
Publication of FR2116513B1 publication Critical patent/FR2116513B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/62—Detectors specially adapted therefor
    • G01N30/64—Electrical detectors
    • G01N30/66—Thermal conductivity detectors
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR717143369A 1970-11-25 1971-11-24 Expired FR2116513B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10779472A JPS4862295A (fr) 1971-11-24 1972-10-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1748870A CH524141A (de) 1970-11-25 1970-11-25 Detektormesszelle zur Bestimmung der Wärmeleitfähigkeit von Gasen

Publications (2)

Publication Number Publication Date
FR2116513A1 FR2116513A1 (fr) 1972-07-13
FR2116513B1 true FR2116513B1 (fr) 1973-06-29

Family

ID=4425789

Family Applications (1)

Application Number Title Priority Date Filing Date
FR717143369A Expired FR2116513B1 (fr) 1970-11-25 1971-11-24

Country Status (5)

Country Link
US (1) US3768301A (fr)
CH (1) CH524141A (fr)
FR (1) FR2116513B1 (fr)
GB (1) GB1344666A (fr)
IT (1) IT941254B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981192A (en) * 1975-05-23 1976-09-21 Cambridge Filter Corporation Fluid pressure sensing apparatus
DE3502440A1 (de) * 1985-01-25 1986-07-31 Leybold-Heraeus GmbH, 5000 Köln Anordnung zur messung der waermeleitfaehigkeit von gasen
DE3940034A1 (de) * 1989-12-04 1991-06-06 Rosemount Gmbh & Co Verfahren und vorrichtung zur detektion von fluidischen, insbesondere gasfoermigen oder fluessigen medien, die nach dem prinzip der waermeleitfaehigkeit arbeiten
DE4005131C2 (de) * 1990-02-17 2001-07-19 Fisher Rosemount Gmbh & Co Ges Meßzelle für einen Wärmeleitfähigkeits-Analysator
US8762075B2 (en) * 2009-09-29 2014-06-24 Lawrence Livermore National Security, Llc Microcantilever-based gas sensor employing two simultaneous physical sensing modes
EP2933634A1 (fr) * 2014-04-14 2015-10-21 Siemens Aktiengesellschaft Détecteur de conductivité thermique
JP7259238B2 (ja) * 2018-09-13 2023-04-18 株式会社島津製作所 熱伝導度検出器およびそれを備えるガスクロマトグラフ
CN111999338B (zh) * 2020-07-22 2022-07-22 中国科学院上海微系统与信息技术研究所 一种微型热导气体传感器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2010995A (en) * 1930-12-17 1935-08-13 Mine Safety Appliances Co Gas testing
US3106088A (en) * 1960-04-25 1963-10-08 Du Pont Shielded resistor
US3304778A (en) * 1963-10-28 1967-02-21 Stuart Marvin Wooten Wind velocity sensor for sailboat
US3474660A (en) * 1966-02-17 1969-10-28 Hewlett Packard Co Thermal conductivity detector
US3592058A (en) * 1968-09-17 1971-07-13 Teledyne Inc Omnidirectional fluid velocity measuring device
US3621707A (en) * 1969-07-08 1971-11-23 Hewlett Packard Co Thermal conductivity detector assembly

Also Published As

Publication number Publication date
US3768301A (en) 1973-10-30
GB1344666A (en) 1974-02-06
DE2156752B2 (de) 1975-11-20
CH524141A (de) 1972-06-15
IT941254B (it) 1973-03-01
FR2116513A1 (fr) 1972-07-13
DE2156752A1 (de) 1972-06-29

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Legal Events

Date Code Title Description
ST Notification of lapse