KR102514737B1 - 농도 측정 방법 - Google Patents

농도 측정 방법 Download PDF

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KR102514737B1
KR102514737B1 KR1020217003063A KR20217003063A KR102514737B1 KR 102514737 B1 KR102514737 B1 KR 102514737B1 KR 1020217003063 A KR1020217003063 A KR 1020217003063A KR 20217003063 A KR20217003063 A KR 20217003063A KR 102514737 B1 KR102514737 B1 KR 102514737B1
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light
concentration
temperature
measured
fluid
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KR20210027428A (ko
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마사아키 나가세
히데카즈 이시이
코우지 니시노
노부카즈 이케다
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가부시키가이샤 후지킨
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    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/05—Flow-through cuvettes
    • 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
    • G01N21/59—Transmissivity
    • G01N21/5907—Densitometers
    • 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
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • 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
    • G01N21/1717—Systems in which incident light is modified in accordance with the properties of the material investigated with a modulation of one or more physical properties of the sample during the optical investigation, e.g. electro-reflectance
    • 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
    • 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
    • G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
    • 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
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/031—Multipass arrangements
    • G01N2021/0314—Double pass, autocollimated path
    • 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
    • G01N21/1717—Systems in which incident light is modified in accordance with the properties of the material investigated with a modulation of one or more physical properties of the sample during the optical investigation, e.g. electro-reflectance
    • G01N2021/1731—Temperature modulation
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N2021/8578—Gaseous flow
    • 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
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/274—Calibration, base line adjustment, drift correction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/121—Correction signals
    • G01N2201/1211—Correction signals for temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/121—Correction signals
    • G01N2201/1218—Correction signals for pressure variations

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  • Physics & Mathematics (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)
KR1020217003063A 2018-09-28 2019-09-18 농도 측정 방법 Active KR102514737B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2018-185495 2018-09-28
JP2018185495 2018-09-28
PCT/JP2019/036481 WO2020066769A1 (ja) 2018-09-28 2019-09-18 濃度測定方法

Publications (2)

Publication Number Publication Date
KR20210027428A KR20210027428A (ko) 2021-03-10
KR102514737B1 true KR102514737B1 (ko) 2023-03-29

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KR1020217003063A Active KR102514737B1 (ko) 2018-09-28 2019-09-18 농도 측정 방법

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US (1) US11460396B2 (enExample)
JP (1) JP7305200B2 (enExample)
KR (1) KR102514737B1 (enExample)
CN (1) CN112703391A (enExample)
TW (1) TWI719650B (enExample)
WO (1) WO2020066769A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114324212A (zh) * 2021-12-30 2022-04-12 杭州谱育科技发展有限公司 流体检测装置和方法
FR3151399B1 (fr) * 2023-07-18 2025-07-11 Ifp Energies Now Procédé pour le suivi dans le temps de la concentration en un composé chimique d’un fluide, au moyen d’un système de mesure optique et d’un capteur de température
CN117470795B (zh) * 2023-12-27 2024-03-29 成都千嘉科技股份有限公司 非分光型红外气体传感器及其气体测试方法
JP7658022B1 (ja) * 2024-10-24 2025-04-07 荏原実業株式会社 濃度測定装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016080431A (ja) 2014-10-14 2016-05-16 住友電気工業株式会社 光プローブ、測定装置及び測定方法
JP2018025499A (ja) * 2016-08-12 2018-02-15 株式会社フジキン 濃度測定装置
US20190025200A1 (en) 2017-07-21 2019-01-24 Chevron Phillips Chemical Company Lp Methods for Determining Transition Metal Compound Concentrations in Multicomponent Liquid Systems

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
JPS5886719A (ja) * 1981-11-18 1983-05-24 Clarion Co Ltd 薄膜気相成長装置
JPH0743296A (ja) * 1993-07-24 1995-02-14 Horiba Ltd 気体試料の濃度・温度同時計測方法
JP2007232742A (ja) * 1998-05-15 2007-09-13 Mitsui Mining & Smelting Co Ltd 対象物内部品質測定装置および測定方法
US6137581A (en) 1998-05-15 2000-10-24 Mitsui Mining & Smelting Co., Ltd. Measurement apparatus for measuring internal quality of object
US6527089B2 (en) * 2000-04-06 2003-03-04 Avid, L.L.C. Caliper drive for a bicycle ball bearing mechanical disc brake caliper
US20160351443A1 (en) * 2001-07-18 2016-12-01 Regents Of The University Of Colorado A Body Corporate Inorganic ald film on an organic polymer surface
KR20060066561A (ko) * 2004-12-13 2006-06-16 한국표준과학연구원 오존 농도의 절대 측정을 위한 자외선 흡수 광도계의 광흡수용 시료셀과 평행광 선택 투과기
JP5885699B2 (ja) 2013-05-09 2016-03-15 株式会社フジキン 脆性破壊性光透過窓板の固定構造及びこれを用いた脆性破壊性光透過窓板の固定方法
JP2015114260A (ja) * 2013-12-13 2015-06-22 三菱日立パワーシステムズ株式会社 排ガス分析装置
WO2015119127A1 (ja) * 2014-02-07 2015-08-13 株式会社村田製作所 ガス濃度検出装置
US10408742B2 (en) * 2014-11-23 2019-09-10 Fujikin Incorporated Optical gas concentration measuring method by forming a differential signal using lights with different absorbabilities to a raw material in a gas flow path using a time-sharing method
CN106062533A (zh) * 2015-01-20 2016-10-26 株式会社东芝 呼气测量装置和呼气测量方法以及气室
JP6912766B2 (ja) 2016-07-29 2021-08-04 国立大学法人徳島大学 濃度測定装置
US10030086B1 (en) 2017-07-21 2018-07-24 Chevron Phillips Chemical Company Lp Methods for determining transition metal compound concentrations in multicomponent liquid systems

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016080431A (ja) 2014-10-14 2016-05-16 住友電気工業株式会社 光プローブ、測定装置及び測定方法
JP2018025499A (ja) * 2016-08-12 2018-02-15 株式会社フジキン 濃度測定装置
US20190025200A1 (en) 2017-07-21 2019-01-24 Chevron Phillips Chemical Company Lp Methods for Determining Transition Metal Compound Concentrations in Multicomponent Liquid Systems

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Publication number Publication date
WO2020066769A1 (ja) 2020-04-02
JP7305200B2 (ja) 2023-07-10
JPWO2020066769A1 (ja) 2021-08-30
TWI719650B (zh) 2021-02-21
CN112703391A (zh) 2021-04-23
TW202028718A (zh) 2020-08-01
US11460396B2 (en) 2022-10-04
US20220003662A1 (en) 2022-01-06
KR20210027428A (ko) 2021-03-10

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