ATE15722T1 - Verfahren zum in situ und ununterbrochenen messen mit hoher empfindlichkeit von gaskonzentrationen und fluechtigen produkten und vorrichtung zur ausfuehrung des verfahrens. - Google Patents
Verfahren zum in situ und ununterbrochenen messen mit hoher empfindlichkeit von gaskonzentrationen und fluechtigen produkten und vorrichtung zur ausfuehrung des verfahrens.Info
- Publication number
- ATE15722T1 ATE15722T1 AT81400967T AT81400967T ATE15722T1 AT E15722 T1 ATE15722 T1 AT E15722T1 AT 81400967 T AT81400967 T AT 81400967T AT 81400967 T AT81400967 T AT 81400967T AT E15722 T1 ATE15722 T1 AT E15722T1
- Authority
- AT
- Austria
- Prior art keywords
- gas
- volcanic
- detecting
- field
- situ
- Prior art date
Links
- 238000005259 measurement Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 2
- 230000035945 sensitivity Effects 0.000 title 1
- 239000007789 gas Substances 0.000 abstract 4
- 238000012544 monitoring process Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000008246 gaseous mixture Substances 0.000 abstract 1
- -1 more particularly Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000523 sample Substances 0.000 abstract 1
- 238000005070 sampling Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/24—Vacuum systems, e.g. maintaining desired pressures
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Electron Tubes For Measurement (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8013776A FR2485201A1 (fr) | 1980-06-20 | 1980-06-20 | Procede de mesure de grande precision des concentrations de gaz et produits volatils en situ et en continu et appareil in situ en oeuvre |
| EP81400967A EP0042789B1 (de) | 1980-06-20 | 1981-06-17 | Verfahren zum in situ und ununterbrochenen Messen mit hoher Empfindlichkeit von Gaskonzentrationen und flüchtigen Produkten und Vorrichtung zur Ausführung des Verfahrens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE15722T1 true ATE15722T1 (de) | 1985-10-15 |
Family
ID=9243343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT81400967T ATE15722T1 (de) | 1980-06-20 | 1981-06-17 | Verfahren zum in situ und ununterbrochenen messen mit hoher empfindlichkeit von gaskonzentrationen und fluechtigen produkten und vorrichtung zur ausfuehrung des verfahrens. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4442353A (de) |
| EP (1) | EP0042789B1 (de) |
| JP (1) | JPS5774656A (de) |
| AT (1) | ATE15722T1 (de) |
| CA (1) | CA1170079A (de) |
| DE (1) | DE3172323D1 (de) |
| FR (1) | FR2485201A1 (de) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4924097A (en) * | 1984-06-22 | 1990-05-08 | Georgia Tech Rss. Corp | Monodisperse aerosol generator for use with infrared spectrometry |
| JPH0746074B2 (ja) * | 1984-11-27 | 1995-05-17 | 日電アネルバ株式会社 | 真空計 |
| DE3510378A1 (de) * | 1985-03-22 | 1986-10-02 | Coulston International Corp., Albany, N.Y. | Verfahren zur analytischen bestimmung von organischen stoffen |
| DE3631862A1 (de) * | 1986-09-19 | 1988-03-31 | Strahlen Umweltforsch Gmbh | Einrichtung zur analytischen bestimmung von organischen stoffen |
| WO1987001205A1 (en) * | 1985-08-24 | 1987-02-26 | Analytical Security Systems Limited | Method and apparatus for detecting dangerous substances |
| US5313061A (en) * | 1989-06-06 | 1994-05-17 | Viking Instrument | Miniaturized mass spectrometer system |
| EP0476062B1 (de) * | 1989-06-06 | 1996-08-28 | Viking Instruments Corp. | Miniaturisiertes massenspektrometersystem |
| US5153433A (en) * | 1991-09-10 | 1992-10-06 | The United States Of America As Represented By The United States Department Of Energy | Portable mass spectrometer with one or more mechanically adjustable electrostatic sectors and a mechanically adjustable magnetic sector all mounted in a vacuum chamber |
| US5525799A (en) * | 1994-04-08 | 1996-06-11 | The United States Of America As Represented By The United States Department Of Energy | Portable gas chromatograph-mass spectrometer |
| JP2003344230A (ja) * | 2002-05-24 | 2003-12-03 | Hitachi Ltd | ガス導入装置とガス分析システム |
| JP4218756B2 (ja) * | 2003-10-17 | 2009-02-04 | 株式会社荏原製作所 | 真空排気装置 |
| US9518904B2 (en) * | 2011-12-07 | 2016-12-13 | Peter R. Bossard | System and method of quantifying impurities mixed within a sample of hydrogen gas |
| US9091618B1 (en) | 2012-08-23 | 2015-07-28 | The Boeing Company | Gas sampling system |
| CN105842404B (zh) * | 2016-05-12 | 2017-09-22 | 郑州光力科技股份有限公司 | 提高矿井火情气体监测实时性的控制系统和控制方法 |
| CN109839654B (zh) * | 2017-11-27 | 2024-01-12 | 核工业西南物理研究院 | 一种家庭便携氡气测量仪 |
| GB2632683A (en) * | 2023-08-17 | 2025-02-19 | Thermo Fisher Scient Bremen Gmbh | Mass spectrometer comprising a vacuum system and a method of operation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2610300A (en) * | 1951-08-07 | 1952-09-09 | Wilson W Walton | Flow control |
| US2721270A (en) * | 1951-08-14 | 1955-10-18 | Willard H Bennett | Leak primarily for mass spectrometers |
| US3992626A (en) * | 1973-02-23 | 1976-11-16 | Honeywell Inc. | Test instrument |
| US3895231A (en) * | 1973-04-30 | 1975-07-15 | Univ Colorado | Method and inlet control system for controlling a gas flow sample to an evacuated chamber |
| US4201913A (en) * | 1978-10-06 | 1980-05-06 | Honeywell Inc. | Sampling system for mass spectrometer |
-
1980
- 1980-06-20 FR FR8013776A patent/FR2485201A1/fr active Granted
-
1981
- 1981-06-11 JP JP56090173A patent/JPS5774656A/ja active Pending
- 1981-06-17 AT AT81400967T patent/ATE15722T1/de not_active IP Right Cessation
- 1981-06-17 EP EP81400967A patent/EP0042789B1/de not_active Expired
- 1981-06-17 DE DE8181400967T patent/DE3172323D1/de not_active Expired
- 1981-06-19 CA CA000380247A patent/CA1170079A/en not_active Expired
- 1981-06-19 US US06/275,164 patent/US4442353A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5774656A (en) | 1982-05-10 |
| EP0042789B1 (de) | 1985-09-18 |
| US4442353A (en) | 1984-04-10 |
| CA1170079A (en) | 1984-07-03 |
| DE3172323D1 (en) | 1985-10-24 |
| FR2485201B1 (de) | 1984-03-09 |
| EP0042789A1 (de) | 1981-12-30 |
| FR2485201A1 (fr) | 1981-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |