GB2520543B - Methods of analysing gas samples with apparatus having a dual inlet system - Google Patents

Methods of analysing gas samples with apparatus having a dual inlet system

Info

Publication number
GB2520543B
GB2520543B GB1320738.6A GB201320738A GB2520543B GB 2520543 B GB2520543 B GB 2520543B GB 201320738 A GB201320738 A GB 201320738A GB 2520543 B GB2520543 B GB 2520543B
Authority
GB
United Kingdom
Prior art keywords
methods
inlet system
gas samples
dual inlet
analysing gas
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.)
Active
Application number
GB1320738.6A
Other versions
GB201320738D0 (en
GB2520543A (en
Inventor
Philip Anthony Freedman
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.)
Nu Instruments Ltd
Original Assignee
Nu Instruments Ltd
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 Nu Instruments Ltd filed Critical Nu Instruments Ltd
Priority to GB1320738.6A priority Critical patent/GB2520543B/en
Publication of GB201320738D0 publication Critical patent/GB201320738D0/en
Priority to DE102015000623.1A priority patent/DE102015000623B4/en
Publication of GB2520543A publication Critical patent/GB2520543A/en
Application granted granted Critical
Publication of GB2520543B publication Critical patent/GB2520543B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0026—General constructional details of gas analysers, e.g. portable test equipment using an alternating circulation of another gas
    • 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
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0006—Calibrating gas analysers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011—Sample conditioning
    • G01N33/0016—Sample conditioning by regulating a physical variable, e.g. pressure or temperature
    • 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
    • G01N30/72—Mass spectrometers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB1320738.6A 2013-11-25 2013-11-25 Methods of analysing gas samples with apparatus having a dual inlet system Active GB2520543B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1320738.6A GB2520543B (en) 2013-11-25 2013-11-25 Methods of analysing gas samples with apparatus having a dual inlet system
DE102015000623.1A DE102015000623B4 (en) 2013-11-25 2015-01-22 A method of analyzing gas samples with a device having a dual inlet system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1320738.6A GB2520543B (en) 2013-11-25 2013-11-25 Methods of analysing gas samples with apparatus having a dual inlet system

Publications (3)

Publication Number Publication Date
GB201320738D0 GB201320738D0 (en) 2014-01-08
GB2520543A GB2520543A (en) 2015-05-27
GB2520543B true GB2520543B (en) 2016-03-23

Family

ID=49918132

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1320738.6A Active GB2520543B (en) 2013-11-25 2013-11-25 Methods of analysing gas samples with apparatus having a dual inlet system

Country Status (2)

Country Link
DE (1) DE102015000623B4 (en)
GB (1) GB2520543B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202111107D0 (en) 2021-08-02 2021-09-15 Thermo Fisher Scient Bremen Gmbh Multiple inlet apparatus for isotope ratio spectrometry
CN117783378B (en) * 2024-02-28 2024-05-28 中国科学院地球环境研究所 Flow self-adaptive control device, mass spectrometer, nitrogen isotope determination system and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4393304A (en) * 1980-03-01 1983-07-12 Horiba, Ltd. Gas analyzer of the fluid modulation type
US5146294A (en) * 1990-04-19 1992-09-08 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Process and device for measuring isotope ratios
EP0528386A2 (en) * 1991-08-16 1993-02-24 Praxair Technology, Inc. Calibration system for ultra high purity gas analysis

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003344230A (en) * 2002-05-24 2003-12-03 Hitachi Ltd System for introducing gas, and system for analyzing gas
KR101648731B1 (en) * 2009-02-02 2016-08-17 플래너테리 이미션즈 매니지먼트 System of systems for monitoring greenhouse gas fluxes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4393304A (en) * 1980-03-01 1983-07-12 Horiba, Ltd. Gas analyzer of the fluid modulation type
US5146294A (en) * 1990-04-19 1992-09-08 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Process and device for measuring isotope ratios
EP0528386A2 (en) * 1991-08-16 1993-02-24 Praxair Technology, Inc. Calibration system for ultra high purity gas analysis

Also Published As

Publication number Publication date
DE102015000623A1 (en) 2015-05-28
GB201320738D0 (en) 2014-01-08
DE102015000623B4 (en) 2017-10-12
GB2520543A (en) 2015-05-27

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