CN117295936A - 水质传感器及水中的物质浓度测量方法 - Google Patents
水质传感器及水中的物质浓度测量方法 Download PDFInfo
- Publication number
- CN117295936A CN117295936A CN202280034246.3A CN202280034246A CN117295936A CN 117295936 A CN117295936 A CN 117295936A CN 202280034246 A CN202280034246 A CN 202280034246A CN 117295936 A CN117295936 A CN 117295936A
- Authority
- CN
- China
- Prior art keywords
- light
- detector
- transmission window
- optical path
- light source
- 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.)
- Withdrawn
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
-
- 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
- G01N33/18—Water
-
- 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
- G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
-
- 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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
-
- 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
- G01N2201/06—Illumination; Optics
- G01N2201/066—Modifiable path; multiple paths in one sample
- G01N2201/0662—Comparing measurements on two or more paths in one sample
-
- 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
- G01N2201/06—Illumination; Optics
- G01N2201/066—Modifiable path; multiple paths in one sample
- G01N2201/0668—Multiple paths; optimisable path length
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021081397 | 2021-05-13 | ||
| JP2021-081397 | 2021-05-13 | ||
| PCT/JP2022/018880 WO2022239641A1 (ja) | 2021-05-13 | 2022-04-26 | 水質センサ及び水中の物質濃度測定方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117295936A true CN117295936A (zh) | 2023-12-26 |
Family
ID=84028277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202280034246.3A Withdrawn CN117295936A (zh) | 2021-05-13 | 2022-04-26 | 水质传感器及水中的物质浓度测量方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20240255416A1 (https=) |
| EP (1) | EP4339594A4 (https=) |
| JP (1) | JP7344396B2 (https=) |
| CN (1) | CN117295936A (https=) |
| WO (1) | WO2022239641A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7723452B1 (ja) * | 2025-01-28 | 2025-08-14 | Wota株式会社 | フローセルシステム |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01313737A (ja) * | 1988-06-14 | 1989-12-19 | Canon Inc | 検体検査装置 |
| AU719048B2 (en) * | 1995-04-06 | 2000-05-04 | Alfa Laval Agri Ab | Method and apparatus for quantitative particle determination in fluids |
| JPH10108857A (ja) * | 1996-10-04 | 1998-04-28 | Hitachi Ltd | 生化学計測装置 |
| JP2004294355A (ja) * | 2003-03-28 | 2004-10-21 | Citizen Watch Co Ltd | 濃度測定装置 |
| GB0524225D0 (en) | 2005-11-29 | 2006-01-04 | Amersham Biosciences Ab | Methods and apparatus for detecting and measuring the concentration of a substance in a solution |
| JP4910588B2 (ja) * | 2006-09-15 | 2012-04-04 | 横河電機株式会社 | 水質測定装置 |
| EP2012110A1 (en) * | 2007-07-06 | 2009-01-07 | Bp Oil International Limited | Optical cell |
| WO2011077306A1 (en) * | 2009-12-25 | 2011-06-30 | Koninklijke Philips Electronics N.V. | Apparatuses and methods for measuring uv absorption rate |
| BR112018068208B1 (pt) * | 2016-03-09 | 2023-12-05 | Ysi, Inc. | Sensor óptico de nitrato e método para medição multiparamétrica da qualidade de água |
| JP7032729B2 (ja) | 2017-12-15 | 2022-03-09 | 国立大学法人豊橋技術科学大学 | 硝酸イオンおよび亜硝酸イオンの濃度検出方法および濃度検出装置ならびに植物生長・延命剤製造装置 |
-
2022
- 2022-04-26 EP EP22807343.3A patent/EP4339594A4/en not_active Withdrawn
- 2022-04-26 US US18/560,276 patent/US20240255416A1/en not_active Abandoned
- 2022-04-26 WO PCT/JP2022/018880 patent/WO2022239641A1/ja not_active Ceased
- 2022-04-26 JP JP2022550140A patent/JP7344396B2/ja active Active
- 2022-04-26 CN CN202280034246.3A patent/CN117295936A/zh not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US20240255416A1 (en) | 2024-08-01 |
| JPWO2022239641A1 (https=) | 2022-11-17 |
| JP7344396B2 (ja) | 2023-09-13 |
| EP4339594A4 (en) | 2025-05-07 |
| EP4339594A1 (en) | 2024-03-20 |
| WO2022239641A1 (ja) | 2022-11-17 |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20231226 |
|
| WW01 | Invention patent application withdrawn after publication |