CH524141A - Detektormesszelle zur Bestimmung der Wärmeleitfähigkeit von Gasen - Google Patents
Detektormesszelle zur Bestimmung der Wärmeleitfähigkeit von GasenInfo
- Publication number
- CH524141A CH524141A CH1748870A CH1748870A CH524141A CH 524141 A CH524141 A CH 524141A CH 1748870 A CH1748870 A CH 1748870A CH 1748870 A CH1748870 A CH 1748870A CH 524141 A CH524141 A CH 524141A
- Authority
- CH
- Switzerland
- Prior art keywords
- gases
- determining
- thermal conductivity
- measuring cell
- detector measuring
- Prior art date
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)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1748870A CH524141A (de) | 1970-11-25 | 1970-11-25 | Detektormesszelle zur Bestimmung der Wärmeleitfähigkeit von Gasen |
DE19712156752 DE2156752C3 (de) | 1970-11-25 | 1971-11-16 | DetektormeBzelle für Gasanalysengeräte zur Bestimmung der Wärmeleitfähigkeit von Gasen |
IT31507/71A IT941254B (it) | 1970-11-25 | 1971-11-23 | Cellula misuratrice per dispositi vi di rilevamento per la determina zione della conduttivita termica di gas |
US00201480A US3768301A (en) | 1970-11-25 | 1971-11-23 | Arrangement for determining the thermal conductivity of gases |
FR717143369A FR2116513B1 (de) | 1970-11-25 | 1971-11-24 | |
GB5488071A GB1344666A (en) | 1970-11-25 | 1971-11-25 | Measuring cell for determining the heat conductivity of gases |
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 (1)
Publication Number | Publication Date |
---|---|
CH524141A true CH524141A (de) | 1972-06-15 |
Family
ID=4425789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1748870A CH524141A (de) | 1970-11-25 | 1970-11-25 | Detektormesszelle zur Bestimmung der Wärmeleitfähigkeit von Gasen |
Country Status (5)
Country | Link |
---|---|
US (1) | US3768301A (de) |
CH (1) | CH524141A (de) |
FR (1) | FR2116513B1 (de) |
GB (1) | GB1344666A (de) |
IT (1) | IT941254B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111999338A (zh) * | 2020-07-22 | 2020-11-27 | 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 |
Families Citing this family (7)
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 (de) * | 2014-04-14 | 2015-10-21 | Siemens Aktiengesellschaft | Wärmeleitfähigkeitsdetektor |
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 |
Family Cites Families (6)
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 |
-
1970
- 1970-11-25 CH CH1748870A patent/CH524141A/de not_active IP Right Cessation
-
1971
- 1971-11-23 US US00201480A patent/US3768301A/en not_active Expired - Lifetime
- 1971-11-23 IT IT31507/71A patent/IT941254B/it active
- 1971-11-24 FR FR717143369A patent/FR2116513B1/fr not_active Expired
- 1971-11-25 GB GB5488071A patent/GB1344666A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111999338A (zh) * | 2020-07-22 | 2020-11-27 | 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 |
Also Published As
Publication number | Publication date |
---|---|
GB1344666A (en) | 1974-02-06 |
IT941254B (it) | 1973-03-01 |
DE2156752A1 (de) | 1972-06-29 |
DE2156752B2 (de) | 1975-11-20 |
FR2116513B1 (de) | 1973-06-29 |
FR2116513A1 (de) | 1972-07-13 |
US3768301A (en) | 1973-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |