JPH0254899B2 - - Google Patents
Info
- Publication number
- JPH0254899B2 JPH0254899B2 JP58086492A JP8649283A JPH0254899B2 JP H0254899 B2 JPH0254899 B2 JP H0254899B2 JP 58086492 A JP58086492 A JP 58086492A JP 8649283 A JP8649283 A JP 8649283A JP H0254899 B2 JPH0254899 B2 JP H0254899B2
- Authority
- JP
- Japan
- Prior art keywords
- thermal conductivity
- filament
- gas
- carrier gas
- hydrogen
- 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.)
- Expired - Lifetime
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)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/378,662 US4464925A (en) | 1982-05-17 | 1982-05-17 | Hydrogen, deuterium thermal conductivity detector |
| US378662 | 1982-05-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58206958A JPS58206958A (ja) | 1983-12-02 |
| JPH0254899B2 true JPH0254899B2 (enExample) | 1990-11-22 |
Family
ID=23494024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58086492A Granted JPS58206958A (ja) | 1982-05-17 | 1983-05-17 | 熱伝導度検出器 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4464925A (enExample) |
| JP (1) | JPS58206958A (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4935196A (en) * | 1987-10-02 | 1990-06-19 | The United States Of America As Represented By The United States Department Of Energy | Differential atmospheric tritium sampler |
| US4856319A (en) * | 1988-05-31 | 1989-08-15 | The Perkin-Elmer Corporation | Thermally switchable katharometer |
| US5012432A (en) * | 1989-06-13 | 1991-04-30 | Gas Research Institute | Microcalorimeter sensor for the measurement of heat content of natural gas |
| SE9102770L (sv) * | 1991-09-25 | 1993-03-26 | Asea Brown Boveri | Oevervakning av loest gas i olja |
| US5494826A (en) * | 1994-04-18 | 1996-02-27 | Gas Research Institute, Inc. | Microcalorimeter sensor for the measurement of heat content of natural gas |
| US6928858B2 (en) * | 2003-01-29 | 2005-08-16 | Agilent Technologies, Inc. | Apparatus and method for thermal conductivity detection in gas chomatography equipment |
| US7410558B2 (en) * | 2003-09-30 | 2008-08-12 | Perkinelmer Las, Inc. | Method and apparatus for determining a total concentration of a component in a mixture of components |
| US9128028B2 (en) | 2010-07-29 | 2015-09-08 | Honeywell International Inc. | Thermal conductivity detectors |
| DE102011006452A1 (de) * | 2011-03-30 | 2012-10-04 | Siemens Aktiengesellschaft | Verfahren zur chromatographischen Analyse eines Wasserstoff enthaltenden Gasgemischs |
| JP5757837B2 (ja) * | 2011-10-11 | 2015-08-05 | ジーエルサイエンス株式会社 | ガスリ−クディテクタ− |
| JP2019082434A (ja) * | 2017-10-31 | 2019-05-30 | 株式会社島津製作所 | 分析方法および分析装置 |
| US20250102479A1 (en) * | 2023-09-22 | 2025-03-27 | Thermo Finnigan Llc | Method of utilizing deuterium gas for chromatography applications, deuterium gas generator and devices for conservation thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3319458A (en) * | 1964-02-14 | 1967-05-16 | Foxboro Co | Chromatographic apparatus for measuring hydrogen components |
| US3537914A (en) * | 1968-01-19 | 1970-11-03 | Hewlett Packard Co | Passivation of thermal conductivity filaments |
| JPS5333697A (en) * | 1976-09-10 | 1978-03-29 | Yokogawa Hokushin Electric Corp | Detector of thermal conduction type for gas chromatograph |
| US4254654A (en) * | 1976-10-07 | 1981-03-10 | Hewlett-Packard Company | Modulated fluid detector |
| US4170126A (en) * | 1978-03-13 | 1979-10-09 | Hewlett-Packard Company | Thermal conductivity cell with thick film seal |
| US4185490A (en) * | 1978-10-06 | 1980-01-29 | Hewlett-Packard Company | Phase discrimination in modulated thermal conductivity detector |
-
1982
- 1982-05-17 US US06/378,662 patent/US4464925A/en not_active Expired - Lifetime
-
1983
- 1983-05-17 JP JP58086492A patent/JPS58206958A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4464925A (en) | 1984-08-14 |
| JPS58206958A (ja) | 1983-12-02 |
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