JP7559061B2 - 光学測定装置及び水質分析システム - Google Patents

光学測定装置及び水質分析システム Download PDF

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Publication number
JP7559061B2
JP7559061B2 JP2022522571A JP2022522571A JP7559061B2 JP 7559061 B2 JP7559061 B2 JP 7559061B2 JP 2022522571 A JP2022522571 A JP 2022522571A JP 2022522571 A JP2022522571 A JP 2022522571A JP 7559061 B2 JP7559061 B2 JP 7559061B2
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Prior art keywords
light
measuring
light source
cell
photodetector
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Japanese (ja)
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JPWO2021229980A1 (https=
Inventor
一星 小林
啓伍 坂本
康平 原
公彦 有本
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Horiba Advanced Techno Co Ltd
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Horiba Advanced Techno Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06Investigating concentration of particle suspensions
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06Investigating concentration of particle suspensions
    • G01N15/075Investigating concentration of particle suspensions by optical means
    • 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
    • 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
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/49Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/51Scattering, i.e. diffuse reflection within a body or fluid inside a container, e.g. in an ampoule
    • 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
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/49Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/532Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission
    • 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
    • G01N33/18Water
    • 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
    • G01N33/18Water
    • G01N33/1893Water using flow cells
    • 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
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03Cuvette constructions
    • G01N21/031Multipass arrangements
    • G01N2021/0314Double pass, autocollimated path
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/06Illumination; Optics
    • G01N2201/063Illuminating optical parts
    • G01N2201/0636Reflectors

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP2022522571A 2020-05-15 2021-04-13 光学測定装置及び水質分析システム Active JP7559061B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020086213 2020-05-15
JP2020086213 2020-05-15
PCT/JP2021/015336 WO2021229980A1 (ja) 2020-05-15 2021-04-13 光学測定装置及び水質分析システム

Publications (2)

Publication Number Publication Date
JPWO2021229980A1 JPWO2021229980A1 (https=) 2021-11-18
JP7559061B2 true JP7559061B2 (ja) 2024-10-01

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JP2022522571A Active JP7559061B2 (ja) 2020-05-15 2021-04-13 光学測定装置及び水質分析システム

Country Status (6)

Country Link
US (1) US12265028B2 (https=)
EP (1) EP4137814B1 (https=)
JP (1) JP7559061B2 (https=)
KR (1) KR102928240B1 (https=)
CN (1) CN115552220A (https=)
WO (1) WO2021229980A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230375466A1 (en) * 2022-05-18 2023-11-23 Taiwan Redeye Biomedical Inc. Pesticide detection device with washing function

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3880526A (en) 1972-12-28 1975-04-29 Oki Electric Ind Co Ltd Method and apparatus for measuring the turbidity of fluids
US20070077178A1 (en) 2005-10-05 2007-04-05 Heinz Wagner Photometric method and apparatus for measuring a liquid's turbidity, fluorescence, phosphorescence and/or absorption coefficient
JP2008232790A (ja) 2007-03-20 2008-10-02 Dkk Toa Corp 検出器及び水質測定装置
JP2011513717A (ja) 2008-02-26 2011-04-28 ビィウルケルト ヴェルケ ゲーエムベーハー 顕微分光計

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4345837A (en) * 1980-06-27 1982-08-24 Farrand Optical Co., Inc. Enhanced fluorescent emission
JP2002048714A (ja) 2000-08-04 2002-02-15 Kurabo Ind Ltd 濁度測定装置
US6795177B2 (en) * 2001-11-01 2004-09-21 Axiom Analytical, Inc. Multipass sampling system for Raman spectroscopy
DE10316686A1 (de) * 2003-04-10 2004-10-28 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co.KG Küvette für ein Photometer oder ein Spektrometer
KR200339565Y1 (ko) 2003-09-03 2004-01-31 정웅교 두 개의 광원을 이용한 탁도측정기
US7142299B2 (en) 2004-11-18 2006-11-28 Apprise Technologies, Inc. Turbidity sensor
US7262844B2 (en) * 2005-01-13 2007-08-28 The Curators Of The University Of Missouri Ultrasensitive spectrophotometer
US7400407B2 (en) * 2005-08-31 2008-07-15 Avago Technologies Ecbu Ip Pte Ltd Meter for measuring the turbidity of fluids using reflected light
ES2666349T3 (es) * 2010-09-21 2018-05-04 Ab Elektronik Sachsen Gmbh Sensor para vigilar un medio
US9013700B2 (en) * 2011-02-21 2015-04-21 Uwm Research Foundation, Inc. Variable path length photon trapping spectrometer
WO2012127650A1 (ja) * 2011-03-23 2012-09-27 エイブル株式会社 濁度測定装置
CN103597525B (zh) * 2011-08-29 2015-09-30 日本芬翁股份有限公司 光电式烟感测器
JP5811333B2 (ja) 2011-08-30 2015-11-11 横河電機株式会社 色・濁度計
JP2015031525A (ja) * 2013-07-31 2015-02-16 東亜ディーケーケー株式会社 光学測定用検出器
US9518866B2 (en) * 2014-08-22 2016-12-13 Spectrasensors, Inc. Spectrometer with variable beam power and shape
CN105203505A (zh) * 2015-10-20 2015-12-30 深圳市清时捷科技有限公司 一种水质在线浊度色度一体检测装置及方法
EP3355048B1 (en) * 2016-05-19 2021-05-05 Fuji Electric Co., Ltd. Water quality analyzer
CN111094190A (zh) * 2017-09-20 2020-05-01 Wota株式会社 信息处理装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3880526A (en) 1972-12-28 1975-04-29 Oki Electric Ind Co Ltd Method and apparatus for measuring the turbidity of fluids
US20070077178A1 (en) 2005-10-05 2007-04-05 Heinz Wagner Photometric method and apparatus for measuring a liquid's turbidity, fluorescence, phosphorescence and/or absorption coefficient
JP2008232790A (ja) 2007-03-20 2008-10-02 Dkk Toa Corp 検出器及び水質測定装置
JP2011513717A (ja) 2008-02-26 2011-04-28 ビィウルケルト ヴェルケ ゲーエムベーハー 顕微分光計

Also Published As

Publication number Publication date
EP4137814A1 (en) 2023-02-22
CN115552220A (zh) 2022-12-30
US20230288332A1 (en) 2023-09-14
KR20230011281A (ko) 2023-01-20
EP4137814A4 (en) 2024-05-15
JPWO2021229980A1 (https=) 2021-11-18
EP4137814B1 (en) 2024-10-30
WO2021229980A1 (ja) 2021-11-18
US12265028B2 (en) 2025-04-01
KR102928240B1 (ko) 2026-02-19

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