JP2017537323A - 水中有機物の検出 - Google Patents
水中有機物の検出 Download PDFInfo
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- 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
- G01N33/1826—Organic contamination in water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
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- 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
- G01N33/0047—Organic compounds
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- 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
- G01N33/02—Food
- G01N33/14—Beverages
- G01N33/146—Beverages containing alcohol
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
- G01N27/66—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
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Abstract
Description
Claims (30)
- 水性媒体中のガス状又は揮発性の被検物質を検出又は測定するためのシステムであって、
(a)水性流体に浸漬するか、又は水性液体の表面に近接して配置するための、ガス平衡化式液中揮発性物質検出器と、
(b)被検物質を、通常は閉じているガス検出チャンバ内に流入可能にし、該ガス検出チャンバ内の前記被検物質間における化学平衡及び、前記近接する液層内の前記被検物質の濃度を近しくするための、蒸気多孔質膜又は蒸気透過性膜と、
(c)前記ガス検出チャンバ内の前記被検物質の分圧に応答したセンサにより生成される電流又は電圧を、該センサがそのような平衡分圧を大幅に変えることなしに測定するための、電流又は電圧測定手段と、を備え、
前記センサが光イオン化検出器であり、前記ガス検出チャンバの内部容積が100mm3以下であること、を特徴とするシステム。 - 前記膜が、前記ガス検出チャンバ内への入口を形成し、第1のシールによってチャンバオリフィスの周縁部に対してシールされている、請求項1に記載のシステム。
- 前記膜が、前記ガス検出チャンバの外部の、第2のガスエンクロージャへの入口も形成している、請求項2に記載のシステム。
- 前記ガス検出チャンバのチャンバオリフィスが、周囲のエンクロージャの壁の終端と同一平面上の平坦な支持面にある、請求項2又は3に記載のシステム。
- 第2のシールが、剥離可能な接着剤によって、前記膜を前記ガス検出チャンバの外壁又は周囲のエンクロージャの外壁に対してシールしている、請求項2〜4のいずれか一項に記載のシステム。
- 前記2つのシールが同心である、請求項5に記載のシステム。
- 前記チャンバオリフィスの前記周縁部に対する前記第1のシールが、前記膜の全厚に亘って蒸気不透過性バリアをなしている、請求項2を引用する請求項3〜6のいずれか一項に記載のシステム。
- 前記シールの各々が環状である、請求項2を引用する請求項3〜7のいずれか一項に記載のシステム。
- 前記膜が疎水性である、請求項1〜8のいずれか一項に記載のシステム。
- 前記膜がポリテトラフルオロエチレンを含む、請求項9に記載のシステム。
- 前記センサが、該センサを支持するアセンブリから取り外し可能である、請求項1〜10のいずれか一項に記載のシステム。
- 前記チャンバオリフィスの前記周縁部をシールする前記シールが、溶接又は前記膜に浸透する不浸透性接着剤である、請求項2を引用する請求項3〜11のいずれか一項に記載のシステム。
- 前記ガス検出チャンバ内の前記センサの要素が、前記膜から2mm以内にある、請求項1〜12のいずれか一項に記載のシステム。
- 前記センサが、組み立て位置において、前記ガス検出チャンバ内の共通平面上にある複数の電極接点を含む、請求項1〜13のいずれか一項に記載のシステム。
- 水性媒体中の揮発性物質の検出に用いる、光イオン化検出器(PID)のセンサヘッドであって、該ヘッドが、ガス検出チャンバの入口を形成して該ガス検出チャンバを閉口する、蒸気多孔質膜又は蒸気透過性膜を含み、前記ガス検出チャンバの内部容積が100mm3以下である、光イオン化検出器(PID)のセンサヘッド。
- 前記膜が、チャンバオリフィスの周縁部に、チャンバオリフィスシールによってシールされており、前記ガス検出チャンバの外部の、第2のガスエンクロージャへの入口を形成している、請求項15に記載のセンサヘッド。
- 前記膜が、周囲のエンクロージャシールによって、前記ガス検出チャンバの外壁又は周囲のエンクロージャの外壁にシールされている、請求項15又は16に記載のセンサヘッド。
- 前記外壁のシールが、剥離可能な接着剤によりシールしている、請求項17に記載のセンサヘッド。
- 前記2つのシールが同心である、請求項17又は18に記載のセンサヘッド。
- 前記ガス検出チャンバのオリフィスが、周囲のエンクロージャの壁の終端と同一平面上の平坦な支持面にある、請求項16を引用する請求項17〜19のいずれか一項に記載のセンサヘッド。
- 前記チャンバオリフィスの前記周縁部に対する前記シールが、前記膜の全厚に亘って蒸気不透過性バリアをなしている、請求項16を引用する請求項17〜20のいずれか一項に記載のセンサヘッド。
- 前記シールの各々が環状である、請求項16〜21のいずれか一項に記載のセンサヘッド。
- 前記膜が疎水性である、請求項15〜22のいずれか一項に記載のセンサヘッド。
- 前記膜が、ポリテトラフルオロエチレンを含む、請求項23に記載のセンサヘッド。
- 前記センサヘッドを支持するアセンブリから取り外し可能である、請求項15〜24のいずれか一項に記載のセンサヘッド。
- 前記チャンバオリフィスの前記周縁部に対する前記シールが、溶接又は前記膜に浸透する不透過性接着剤である、請求項16を引用する請求項17〜25のいずれか一項に記載のセンサヘッド。
- 前記センサヘッドに関連付けられているセンサが、組み立て位置において、前記ガス検出チャンバ内の共通平面上にある複数の電極接点を含む、請求項15〜26のいずれか一項に記載のセンサヘッド。
- 前記ガス検出チャンバが、該チャンバ内のデッドボリュームを最小化するように構成されている、請求項15〜27のいずれか一項に記載のセンサヘッド。
- 前記センサの要素が、該センサの応答時間を短縮するように、前記膜から2mm以内にある、請求項15〜28のいずれか一項に記載のセンサヘッド。
- 請求項15〜29のいずれか一項に記載のセンサヘッドが組み込まれた、ガス平衡化式液中揮発性物質検出器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1421306.0 | 2014-12-01 | ||
GB1421306.0A GB2527867B (en) | 2014-12-01 | 2014-12-01 | Detection of organics in water |
PCT/IB2015/059177 WO2016088008A1 (en) | 2014-12-01 | 2015-11-27 | Photoionization detector system for organics in water |
Publications (2)
Publication Number | Publication Date |
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JP2017537323A true JP2017537323A (ja) | 2017-12-14 |
JP6359773B2 JP6359773B2 (ja) | 2018-07-18 |
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Application Number | Title | Priority Date | Filing Date |
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JP2017530201A Expired - Fee Related JP6359773B2 (ja) | 2014-12-01 | 2015-11-27 | 水中有機物の検出 |
Country Status (6)
Country | Link |
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US (1) | US20170269049A1 (ja) |
EP (1) | EP3227676B8 (ja) |
JP (1) | JP6359773B2 (ja) |
CN (1) | CN107209162B (ja) |
GB (1) | GB2527867B (ja) |
WO (1) | WO2016088008A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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GB2537361B (en) | 2015-04-10 | 2017-05-03 | Ion Science Ltd | A Water Immersible Detector |
GB2537881A (en) * | 2015-04-29 | 2016-11-02 | Ion Science Ltd | A method of operating a photoionisation detector to detect VOC's dissolved in water |
CA3202094A1 (en) * | 2020-12-14 | 2022-06-23 | Miao XU | Photoionization detector and method of operating same |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04303759A (ja) * | 1991-03-30 | 1992-10-27 | Jeol Ltd | 電子捕獲検出器 |
JPH09503309A (ja) * | 1994-07-26 | 1997-03-31 | シーアールシー・フォー・ウェイスト・マネジメント・アンド・ポルーション・コントロール・リミテッド | 有機化合物の環境的な監視方法及び装置 |
WO2013138446A1 (en) * | 2012-03-13 | 2013-09-19 | Brooks Automation, Inc. | Trace gas concentration in art ms traps |
Family Cites Families (11)
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US4745796A (en) * | 1987-03-16 | 1988-05-24 | Honeywell Inc. | Membrane-selective vapor sensing |
US4892383A (en) * | 1989-02-17 | 1990-01-09 | Fiberchem Inc. | Reservoir fiber optic chemical sensors |
US5979219A (en) * | 1997-02-03 | 1999-11-09 | Sylvia Sellmer Wilsberg | Probe for measuring volatile components in an aqueous solution |
US6272938B1 (en) * | 2000-04-07 | 2001-08-14 | General Electric Company | Monitoring of volatile organic compounds in groundwater with an in-situ sampling device |
DE202004000570U1 (de) * | 2004-01-09 | 2004-03-18 | Ufz-Umweltforschungszentrum Leipzig-Halle Gmbh | Anordnung zur off site, on line und/oder in situ Messung organischer Substanzen in Flüssigkeiten und/oder Dämpfen |
US8383046B1 (en) * | 2007-04-16 | 2013-02-26 | Murthy Tata | Analyzer apparatus for measuring dissolved volatile substances and method |
GB2449664B (en) * | 2007-05-30 | 2011-12-14 | Ion Science Ltd | Electrode contact pellet and associated photoionisation detector assembly |
US7930924B2 (en) * | 2007-09-28 | 2011-04-26 | Vancouver Island University | System for the online measurement of volatile and semi-volatile compounds and use thereof |
JP5272466B2 (ja) * | 2008-03-21 | 2013-08-28 | 株式会社Ihi | 水中ロボット用溶存ガス濃度計測センサ装置 |
WO2012023888A1 (en) * | 2010-08-19 | 2012-02-23 | Adixen Scandinavia Ab | Gas sensor housing |
CN104181284B (zh) * | 2014-07-11 | 2016-03-09 | 上海市政工程设计研究总院(集团)有限公司 | 一种土壤中挥发性有机物连续检测装置及其检测方法 |
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2014
- 2014-12-01 GB GB1421306.0A patent/GB2527867B/en active Active
-
2015
- 2015-11-27 JP JP2017530201A patent/JP6359773B2/ja not_active Expired - Fee Related
- 2015-11-27 WO PCT/IB2015/059177 patent/WO2016088008A1/en active Application Filing
- 2015-11-27 US US15/532,070 patent/US20170269049A1/en not_active Abandoned
- 2015-11-27 CN CN201580075172.8A patent/CN107209162B/zh not_active Expired - Fee Related
- 2015-11-27 EP EP15812886.8A patent/EP3227676B8/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04303759A (ja) * | 1991-03-30 | 1992-10-27 | Jeol Ltd | 電子捕獲検出器 |
JPH09503309A (ja) * | 1994-07-26 | 1997-03-31 | シーアールシー・フォー・ウェイスト・マネジメント・アンド・ポルーション・コントロール・リミテッド | 有機化合物の環境的な監視方法及び装置 |
WO2013138446A1 (en) * | 2012-03-13 | 2013-09-19 | Brooks Automation, Inc. | Trace gas concentration in art ms traps |
Also Published As
Publication number | Publication date |
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EP3227676B1 (en) | 2018-10-31 |
EP3227676B8 (en) | 2019-02-27 |
EP3227676A1 (en) | 2017-10-11 |
JP6359773B2 (ja) | 2018-07-18 |
CN107209162B (zh) | 2019-12-13 |
GB2527867B (en) | 2016-06-29 |
US20170269049A1 (en) | 2017-09-21 |
WO2016088008A1 (en) | 2016-06-09 |
GB2527867A (en) | 2016-01-06 |
CN107209162A (zh) | 2017-09-26 |
GB201421306D0 (en) | 2015-01-14 |
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