CN119654548A - 气体测定装置 - Google Patents

气体测定装置 Download PDF

Info

Publication number
CN119654548A
CN119654548A CN202380058264.XA CN202380058264A CN119654548A CN 119654548 A CN119654548 A CN 119654548A CN 202380058264 A CN202380058264 A CN 202380058264A CN 119654548 A CN119654548 A CN 119654548A
Authority
CN
China
Prior art keywords
gas
component
detector
absorption wavelength
wavelength region
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
CN202380058264.XA
Other languages
English (en)
Chinese (zh)
Inventor
荒谷克彦
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.)
Shimadzu Corp
Original Assignee
Shimadzu Corp
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 Shimadzu Corp filed Critical Shimadzu Corp
Publication of CN119654548A publication Critical patent/CN119654548A/zh
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating 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
    • G01N21/3518—Devices using gas filter correlation techniques; Devices using gas pressure modulation techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating 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
    • G01N2021/3545—Disposition for compensating effect of interfering gases

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CN202380058264.XA 2022-08-08 2023-08-02 气体测定装置 Pending CN119654548A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022126517 2022-08-08
JP2022-126517 2022-08-08
PCT/JP2023/028260 WO2024034487A1 (ja) 2022-08-08 2023-08-02 ガス測定装置

Publications (1)

Publication Number Publication Date
CN119654548A true CN119654548A (zh) 2025-03-18

Family

ID=89851720

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380058264.XA Pending CN119654548A (zh) 2022-08-08 2023-08-02 气体测定装置

Country Status (5)

Country Link
US (1) US20260029338A1 (https=)
EP (1) EP4571294A1 (https=)
JP (1) JP7827157B2 (https=)
CN (1) CN119654548A (https=)
WO (1) WO2024034487A1 (https=)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5124282A (ja) * 1974-08-22 1976-02-27 Shimadzu Corp Hibunsangatasekigaisenbunsekikei
JPS5145570A (ja) * 1974-10-17 1976-04-19 Shimadzu Corp Renzokukyukobunsekikeino zerotenjidohoseisochi
JPS61199657U (https=) 1985-06-04 1986-12-13
DE3937141A1 (de) 1989-11-08 1991-05-16 Hartmann & Braun Ag Nichtdispersiver infrarot-gasanalysator zur gleichzeitigen messung der konzentration mehrerer komponenten einer gasprobe
JPH07167784A (ja) * 1993-12-16 1995-07-04 Fuji Electric Co Ltd 赤外線ガス分析計
JPH09318534A (ja) 1996-05-25 1997-12-12 Horiba Ltd ＨＣｌ計
JP2003050203A (ja) * 2001-08-03 2003-02-21 Nissan Motor Co Ltd 非分散型赤外吸収式ガス分析装置及び分析方法
JP5729285B2 (ja) * 2011-12-06 2015-06-03 株式会社島津製作所 燃焼排ガス分析装置

Also Published As

Publication number Publication date
US20260029338A1 (en) 2026-01-29
JP7827157B2 (ja) 2026-03-10
WO2024034487A1 (ja) 2024-02-15
EP4571294A1 (en) 2025-06-18
JPWO2024034487A1 (https=) 2024-02-15

Similar Documents

Publication Publication Date Title
JP6951167B2 (ja) ガス分析装置及びガス分析方法
US8143581B2 (en) Absorption biased NDIR gas sensing methodology
US9194797B2 (en) Method and system for detecting moisture in a process gas involving cross interference
JP5729285B2 (ja) 燃焼排ガス分析装置
KR101842799B1 (ko) Ndir의 보정계수 산출방법 및 산출된 보정계수를 이용한 ndir의 가스농도 측정방법
US20040036023A1 (en) Method for determining the safety of gas mixtures
US20190017927A1 (en) Gas analysis apparatus, program for gas analysis apparatus, and gas analysis method
JP2017194458A (ja) 分光分析装置及び分光分析方法
CN119654547A (zh) 气体测定装置以及求出对象成分的浓度的方法
CN119654548A (zh) 气体测定装置
US20140104613A1 (en) Spectral calibration method
US6710347B1 (en) Device for measuring gas concentration
US6422056B1 (en) Method for correcting the effect of a effect of a coexistent gas in a gas analysis and a gas analyzing apparatus using same
JP2952855B2 (ja) ガス中の亜酸化窒素濃度の連続測定方法
JP2012068164A (ja) 赤外線ガス分析計
JP7388269B2 (ja) ガス検出装置
Gao et al. Dual-gas sensor for ultra-close overlapping spectra based on second harmonic peak shift
WO2023218983A1 (ja) 赤外線ガス分析計及び赤外線ガス分析方法
JP4205821B2 (ja) 赤外吸収法によるガス分析における共存ガス影響の補正方法及びガス分析計
CN117783035A (zh) Ftir分析仪的校正方法
EP1790971B1 (en) Method for cross interference correction for correlation spectroscopy
JPS5928855B2 (ja) 内燃機関の排ガス測定方法
Guan et al. Mid-infrared laser absorption sensor for simultaneous trace detection of CH3CN, H2O, and CH4 in the ambient air
JP2025160644A (ja) 赤外線ガス分析計、赤外線ガス分析方法、及び、赤外線ガス分析プログラム
JP7550657B2 (ja) ガス分析装置

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination