CN118974534A - 气体浓度测定装置 - Google Patents
气体浓度测定装置 Download PDFInfo
- 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
Links
Classifications
-
- 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
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
-
- 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO 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)
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)
| 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 |
-
2023
- 2023-03-13 CN CN202380031403.XA patent/CN118974534A/zh active Pending
- 2023-03-13 WO PCT/JP2023/009654 patent/WO2023203918A1/ja not_active Ceased
- 2023-03-13 JP JP2024516133A patent/JP7775995B2/ja active Active
-
2024
- 2024-10-08 US US18/909,418 patent/US20250027921A1/en active Pending
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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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 |