CN118974534A - 气体浓度测定装置 - Google Patents

气体浓度测定装置 Download PDF

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Publication number
CN118974534A
CN118974534A CN202380031403.XA CN202380031403A CN118974534A CN 118974534 A CN118974534 A CN 118974534A CN 202380031403 A CN202380031403 A CN 202380031403A CN 118974534 A CN118974534 A CN 118974534A
Authority
CN
China
Prior art keywords
measuring device
gas
concentration measuring
gas concentration
permeable membrane
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.)
Pending
Application number
CN202380031403.XA
Other languages
English (en)
Chinese (zh)
Inventor
山口阳平
天白正子
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of CN118974534A publication Critical patent/CN118974534A/zh
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011Sample conditioning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/22Devices for withdrawing samples in the gaseous state
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/004CO or CO2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CN202380031403.XA 2022-04-21 2023-03-13 气体浓度测定装置 Pending CN118974534A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022070044 2022-04-21
JP2022-070044 2022-04-21
PCT/JP2023/009654 WO2023203918A1 (ja) 2022-04-21 2023-03-13 ガス濃度測定装置

Publications (1)

Publication Number Publication Date
CN118974534A true CN118974534A (zh) 2024-11-15

Family

ID=88419773

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380031403.XA Pending CN118974534A (zh) 2022-04-21 2023-03-13 气体浓度测定装置

Country Status (4)

Country Link
US (1) US20250027921A1 (https=)
JP (1) JP7775995B2 (https=)
CN (1) CN118974534A (https=)
WO (1) WO2023203918A1 (https=)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5608167A (en) * 1995-02-21 1997-03-04 Orbisphere Laboratories Neuchatel Sa Membrane-enclosed sensor, flow control element and analytic method
JP4557250B2 (ja) 2004-09-22 2010-10-06 財団法人電力中央研究所 自立型の海洋二酸化炭素分圧センサ
JP4331761B2 (ja) 2007-01-23 2009-09-16 株式会社日立製作所 油入り機器の油中ガス分析装置
DE102018112526B4 (de) 2018-05-24 2022-11-03 Geomar Helmholtz-Zentrum Für Ozeanforschung Kiel Unterwasser-Gasmessvorrichtung für in Wasser gelöste Gase

Also Published As

Publication number Publication date
WO2023203918A1 (ja) 2023-10-26
JP7775995B2 (ja) 2025-11-26
US20250027921A1 (en) 2025-01-23
JPWO2023203918A1 (https=) 2023-10-26

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