GB1465215A - Gas analysing method and apparatus for performing the same method - Google Patents

Gas analysing method and apparatus for performing the same method

Info

Publication number
GB1465215A
GB1465215A GB3764774A GB3764774A GB1465215A GB 1465215 A GB1465215 A GB 1465215A GB 3764774 A GB3764774 A GB 3764774A GB 3764774 A GB3764774 A GB 3764774A GB 1465215 A GB1465215 A GB 1465215A
Authority
GB
United Kingdom
Prior art keywords
voltage
micro
gas
resonator
cavity
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
Application number
GB3764774A
Other languages
English (en)
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.)
Sagami Chemical Research Institute
Original Assignee
Sagami Chemical Research Institute
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 Sagami Chemical Research Institute filed Critical Sagami Chemical Research Institute
Publication of GB1465215A publication Critical patent/GB1465215A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G01N22/005—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more and using Stark effect modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB3764774A 1973-09-05 1974-08-28 Gas analysing method and apparatus for performing the same method Expired GB1465215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9919573A JPS5544904B2 (https=) 1973-09-05 1973-09-05

Publications (1)

Publication Number Publication Date
GB1465215A true GB1465215A (en) 1977-02-23

Family

ID=14240854

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3764774A Expired GB1465215A (en) 1973-09-05 1974-08-28 Gas analysing method and apparatus for performing the same method

Country Status (4)

Country Link
US (1) US3973186A (https=)
JP (1) JPS5544904B2 (https=)
FR (1) FR2242681B1 (https=)
GB (1) GB1465215A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113008876A (zh) * 2021-02-26 2021-06-22 武胜县环境监测站 一种环境空气中甲醛的测定设备

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59135941U (ja) * 1983-02-28 1984-09-11 日本橋住建株式会社 地下室または半地下室の窓
US5086254A (en) * 1983-08-11 1992-02-04 Varian Associates, Inc. Microwave excited helium plasma photoionization detector
US4607521A (en) * 1984-11-20 1986-08-26 Sagami Chemical Research Center Method of improving response characteristics of gas sensor using microwave spectrometer
DE3622957A1 (de) * 1986-07-09 1988-02-11 Kernforschungsz Karlsruhe Verfahren und vorrichtung zur analyse mittels mikrowellen
DE3622956A1 (de) * 1986-07-09 1988-02-11 Kernforschungsz Karlsruhe Vorrichtung zum untersuchen von messgasen mittels mikrowellen
DE3723606A1 (de) * 1987-07-17 1989-01-26 Kernforschungsz Karlsruhe Verfahren und vorrichtung zur analyse mittels mikrowellen
US5083004A (en) * 1989-05-09 1992-01-21 Varian Associates, Inc. Spectroscopic plasma torch for microwave induced plasmas
EP0901120A3 (en) * 1992-07-17 2001-01-10 Biotechnology and Research and Development Corporation Reading and writing stored information by means of electrochemistry
US5949237A (en) * 1996-02-03 1999-09-07 Forschungszentrum Karlsruhe Gmbh Microwave cavity resonator for continuous spectroscopic gas analysis
DE19603905C1 (de) * 1996-02-03 1997-03-20 Karlsruhe Forschzent Mikrowellenhohlraumresonator für die kontinuierliche, spektroskopische Gasanalyse
US10477665B2 (en) * 2012-04-13 2019-11-12 Amastan Technologies Inc. Microwave plasma torch generating laminar flow for materials processing
EP2875340B1 (en) * 2012-07-20 2018-02-21 President and Fellows of Harvard College Fourier transform microwave spectroscopy for enantiomer-specific detection of chiral molecules
US9325334B2 (en) * 2013-06-12 2016-04-26 Texas Instruments Incorporated IC, process, device generating frequency reference from RF gas absorption
US9128023B2 (en) * 2013-05-23 2015-09-08 Texas Instruments Incorporated Calibration scheme for gas absorption spectra detection
US10448864B1 (en) * 2017-02-24 2019-10-22 Nokomis, Inc. Apparatus and method to identify and measure gas concentrations
US12379329B2 (en) 2020-04-24 2025-08-05 Nokomis, Inc. RF rapid diagnostics of infection and contamination

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2849613A (en) * 1956-01-31 1958-08-26 Robert H Dicke Methods and systems for producing gasabsorption lines of doppler-reduced breadth
US3691454A (en) * 1970-10-19 1972-09-12 Lawrence W Hrubesh Microwave cavity gas analyzer
GB1320673A (en) * 1971-01-12 1973-06-20 Cambridge Scientific Instr Ltd Microwave spectroscopy

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113008876A (zh) * 2021-02-26 2021-06-22 武胜县环境监测站 一种环境空气中甲醛的测定设备
CN113008876B (zh) * 2021-02-26 2023-08-15 广东达康安全技术咨询有限公司 一种环境空气中甲醛的测定设备

Also Published As

Publication number Publication date
DE2442581A1 (de) 1975-03-27
JPS5051394A (https=) 1975-05-08
DE2442581B2 (de) 1976-04-01
FR2242681B1 (https=) 1979-08-03
FR2242681A1 (https=) 1975-03-28
JPS5544904B2 (https=) 1980-11-14
US3973186A (en) 1976-08-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee