JP2014098720A - 水中のホウ素を検出する電気化学的方法 - Google Patents
水中のホウ素を検出する電気化学的方法 Download PDFInfo
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- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229910052796 boron Inorganic materials 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000002848 electrochemical method Methods 0.000 title description 3
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000008139 complexing agent Substances 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 238000004832 voltammetry Methods 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 15
- JKYKXTRKURYNGW-UHFFFAOYSA-N 3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C(O)=C(O)C(S(O)(=O)=O)=C2 JKYKXTRKURYNGW-UHFFFAOYSA-N 0.000 claims description 10
- 239000000872 buffer Substances 0.000 claims description 10
- 229910052797 bismuth Inorganic materials 0.000 claims description 9
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000010432 diamond Substances 0.000 claims description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 6
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 6
- 229910052753 mercury Inorganic materials 0.000 claims description 6
- 238000003950 stripping voltammetry Methods 0.000 claims description 5
- 238000001903 differential pulse voltammetry Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052790 beryllium Inorganic materials 0.000 claims description 2
- 159000000000 sodium salts Chemical class 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 6
- 238000000691 measurement method Methods 0.000 abstract description 3
- 238000000835 electrochemical detection Methods 0.000 abstract description 2
- 239000007853 buffer solution Substances 0.000 abstract 2
- 238000011088 calibration curve Methods 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 3
- -1 polydimethylsiloxane Polymers 0.000 description 3
- 238000001075 voltammogram Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000008351 acetate buffer Substances 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- RCTYPNKXASFOBE-UHFFFAOYSA-M chloromercury Chemical compound [Hg]Cl RCTYPNKXASFOBE-UHFFFAOYSA-M 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 231100000584 environmental toxicity Toxicity 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910021397 glassy carbon Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 238000003969 polarography Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/48—Systems using polarography, i.e. measuring changes in current under a slowly-varying voltage
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
【解決手段】本発明は、水中のホウ素の存在を検出する方法にして、水と少なくとも1つのホウ素錯化剤とを含む導電性緩衝液を生成することと、少なくとも1つの作用電極(7)の存在下で上記緩衝液を電気化学セル内に導入することと、ホウ素錯体とホウ素錯化剤とのアノードピークをボルタンメトリーによって測定することとを含む方法であって、作用電極(7)はソリッド微小電極であることと、測定は水の流れに対して連続的に実施されることとを特徴とする方法に関する。本発明は、そのような方法を実施するためのデバイス(10)にも関する。
【選択図】図4
Description
本発明が、本発明による例示的かつ非限定的な実施例に従って第2デバイス20によって水中のホウ素を測定するために実施された。測定されるべき水と電解液の成分(緩衝液、ホウ素錯化剤)との混合は、例えばコイルの形態の液体アクセス管セクション内でインラインに実施された。図8および図9は得られた結果を示している。図8はこの実施例によって測定されたボルタンメトリー曲線を示しており、図9はこの実施例によって測定された較正曲線を示している。
1B、1C、1D、1E 基部1の開口部
2、12 カバー
2A カバー2の液体入口オリフィス
2B、2C、2D、2E カバー2の開口部
2F カバー2の液体出口オリフィス
3、4、13、14 端部片
6、16 一組の電極
7、17 板、支持板
7A、7B、7C、17A、17B、17C、 微小電極
8、18 可撓性部
9 剛性板
10 第1デバイス
12A、12B カバー12のオリフィス
12C カバー12のセル上部
19 接続板
20 第2ホウ素検出デバイス
21 ガスケット
22A、22B、22C、22D ネジ
Claims (9)
- 水中のホウ素の存在を検出する方法にして、水と少なくとも1つのホウ素錯化剤とを含む導電性緩衝液を生成することと、少なくとも1つの作用電極(7)の存在下で前記緩衝液を電気化学セル内に導入することと、ホウ素錯体とホウ素錯化剤とのアノードピークをボルタンメトリーによって測定することとを含む方法であって、作用電極(7)がソリッド微小電極であることと、測定が水の流れに対して連続的に実施されることとを特徴とする、方法。
- ボランメトリ測定が、示差パルスボルタンメトリー(DPV)、または方形波吸着ストリッピングボルタンメトリー法(SWASVM)、または吸着ストリッピングボルタンメトリー法(ASVM)の測定である、請求項1に記載の方法。
- ホウ素錯化剤が、10−9Mから10−3M、好ましくは10−8Mから10−4Mの濃度である、請求項1または2に記載の方法。
- ホウ素錯化剤が、アリザリンレッドS(またはARS、(3,4−ジヒドロキシ−9,10−ジオキソ)−2−アントラセンスルホン酸)酸ナトリウム塩)とベリリウム(III)とによって形成された群から選択される、請求項1から3のいずれか一項に記載の方法。
- 作用微小電極(7)が、炭素微小電極と、ビスマス微小電極と、ホウ素添加またはホウ素非添加ダイアモンド微小電極と、水銀膜で被覆された微小電極とから選択される、請求項1から4のいずれか一項に記載の方法。
- ホウ素濃度の測定値が、ホウ素のない溶液によって、また知られている濃度のホウ素を含んだ少なくとも1つの溶液によって、アノードピークの高さに応じて較正される、請求項1から5のいずれか一項に記載の方法。
- 較正後、ホウ素が最小で5ppb、一般的には5ppbから1000ppb、好ましくは5ppbから400ppbの濃度で検出されることが可能である、請求項6に記載の方法。
- 請求項1から7のいずれか一項に記載方法を実施するための検出デバイス(10、20)であって、液体入口手段(3、13)と別個の液体出口手段(4、14)とを備えた電気化学セルを備え、セルが、セル密閉手段と、基準電極、対向電極、および作用微小電極(7A、7B、7C、17A、17B、17C)とをさらに備え、前記作用微小電極(7A、7B、7C、17A、17B、17C)が、水と少なくとも1つのホウ素錯化剤とを含む導電性緩衝液の存在下で電気化学セル内に導入されることが可能であり、前記作用微小電極が、炭素微小電極と、ビスマス微小電極と、ホウ素添加またはホウ素非添加ダイアモンド微小電極と、水銀膜で被覆された微小電極とから選択され、前記デバイス(10、20)が、ボルタンメトリーによってホウ素錯体と錯化剤のアノードピークを測定し、この測定を水の流れに対して連続的に実施することが可能であることを特徴とした、検出デバイス(10、20)。
- 作用電極(7、17)によって拾われた信号(9、19)を処理する手段をさらに備え、前記処理手段が、好ましくはセル内に存在する液体のホウ素濃度を測定する手段を備える、請求項8に記載の検出デバイス(10、20)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR0856462 | 2008-09-25 | ||
FR0856462A FR2936317B1 (fr) | 2008-09-25 | 2008-09-25 | Methode electrochimique de detection de bore dans l'eau. |
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JP2009209916A Division JP2010078598A (ja) | 2008-09-25 | 2009-09-11 | 水中のホウ素を検出する電気化学的方法 |
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JP2014098720A true JP2014098720A (ja) | 2014-05-29 |
JP5887372B2 JP5887372B2 (ja) | 2016-03-16 |
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JP2009209916A Pending JP2010078598A (ja) | 2008-09-25 | 2009-09-11 | 水中のホウ素を検出する電気化学的方法 |
JP2014041258A Active JP5887372B2 (ja) | 2008-09-25 | 2014-03-04 | 水中のホウ素を検出する電気化学的方法 |
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Country | Link |
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US (1) | US20100072079A1 (ja) |
EP (1) | EP2169396B1 (ja) |
JP (2) | JP2010078598A (ja) |
CN (1) | CN101713759B (ja) |
FR (1) | FR2936317B1 (ja) |
SG (1) | SG160282A1 (ja) |
Cited By (1)
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CN105223259A (zh) * | 2015-09-29 | 2016-01-06 | 南京工业大学 | 一种便携式重金属离子快速检测装置及应用方法 |
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FR2936317B1 (fr) * | 2008-09-25 | 2012-12-14 | Millipore Corp | Methode electrochimique de detection de bore dans l'eau. |
CN102680546B (zh) * | 2012-05-28 | 2014-06-25 | 合肥工业大学 | 一种镍离子电化学传感器及电极材料螯合树脂的合成方法 |
CN103048374B (zh) * | 2012-12-06 | 2014-07-02 | 济南大学 | 一种检测多环芳烃蒽的电化学方法 |
CN107505381A (zh) * | 2017-08-21 | 2017-12-22 | 中华人民共和国南京出入境检验检疫局 | 便携式usb接口重金属离子检测装置及电极卡片 |
DE102018208482B4 (de) * | 2018-05-29 | 2024-03-14 | Atspiro Aps | Potentiometrische Messkette und Verfahren zur pH-Wert-Bestimmung |
TWI814233B (zh) * | 2022-01-28 | 2023-09-01 | 住華科技股份有限公司 | 硼酸檢測試片及硼酸檢測方法 |
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2008
- 2008-09-25 FR FR0856462A patent/FR2936317B1/fr not_active Expired - Fee Related
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- 2009-09-04 SG SG200905884-3A patent/SG160282A1/en unknown
- 2009-09-07 EP EP09290678.3A patent/EP2169396B1/en active Active
- 2009-09-11 US US12/584,756 patent/US20100072079A1/en not_active Abandoned
- 2009-09-11 JP JP2009209916A patent/JP2010078598A/ja active Pending
- 2009-09-25 CN CN200910253072.6A patent/CN101713759B/zh active Active
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105223259A (zh) * | 2015-09-29 | 2016-01-06 | 南京工业大学 | 一种便携式重金属离子快速检测装置及应用方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2169396A2 (en) | 2010-03-31 |
US20100072079A1 (en) | 2010-03-25 |
FR2936317B1 (fr) | 2012-12-14 |
FR2936317A1 (fr) | 2010-03-26 |
CN101713759A (zh) | 2010-05-26 |
SG160282A1 (en) | 2010-04-29 |
EP2169396A3 (en) | 2010-04-07 |
CN101713759B (zh) | 2014-08-06 |
JP2010078598A (ja) | 2010-04-08 |
JP5887372B2 (ja) | 2016-03-16 |
EP2169396B1 (en) | 2014-11-12 |
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