JP2017524147A - サプレッサノイズを減少させるための方法 - Google Patents
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- 239000003480 eluent Substances 0.000 claims abstract description 43
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- 150000002500 ions Chemical class 0.000 claims abstract description 25
- 150000001450 anions Chemical class 0.000 claims abstract description 24
- 238000005342 ion exchange Methods 0.000 claims abstract description 22
- 230000004888 barrier function Effects 0.000 claims abstract description 19
- 239000002253 acid Substances 0.000 claims abstract description 12
- 239000012491 analyte Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 13
- 230000032258 transport Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 3
- 230000037427 ion transport Effects 0.000 claims description 3
- URSLCTBXQMKCFE-UHFFFAOYSA-N dihydrogenborate Chemical compound OB(O)[O-] URSLCTBXQMKCFE-UHFFFAOYSA-N 0.000 claims 1
- 230000001629 suppression Effects 0.000 abstract description 27
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 239000012528 membrane Substances 0.000 description 14
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 150000001768 cations Chemical class 0.000 description 6
- 239000002609 medium Substances 0.000 description 6
- HNSDLXPSAYFUHK-UHFFFAOYSA-N 1,4-bis(2-ethylhexyl) sulfosuccinate Chemical compound CCCCC(CC)COC(=O)CC(S(O)(=O)=O)C(=O)OCC(CC)CCCC HNSDLXPSAYFUHK-UHFFFAOYSA-N 0.000 description 5
- -1 bicarbonate anions Chemical class 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- 239000012492 regenerant Substances 0.000 description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 description 5
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005341 cation exchange Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000003014 ion exchange membrane Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000005349 anion exchange Methods 0.000 description 2
- 150000001449 anionic compounds Chemical class 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 229910001412 inorganic anion Inorganic materials 0.000 description 2
- 239000012500 ion exchange media Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 125000005587 carbonate group Chemical group 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000004255 ion exchange chromatography Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000008384 membrane barrier Effects 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003385 sodium Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 235000014101 wine Nutrition 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/96—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation using ion-exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/36—Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction
- B01D15/361—Ion-exchange
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/96—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation using ion-exchange
- G01N2030/965—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation using ion-exchange suppressor columns
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Description
本出願は、Christopher A.POHL、Kannan SRINIVASAN、及びBrittany OMPHROYによって「A METHOD FOR REDUCING SUPPRESSOR NOISE」という表題で2014年8月8日に出願された米国特許出願第14/455,710号[代理人整理番号19227US1/NAT]の優先権を主張するものであり、本開示は、参照により本明細書に組み込まれる。
fは、ファラデー定数である。
cは、Mでの濃度である。
νは、mL/分での流量である。
Claims (12)
- 事前に分離された試料検体陰イオン、前記試料陰イオンに対する対イオン、及び、弱酸に抑制可能な非試料陰イオンを含有する液体溶離剤を、電解デバイスを使用して抑制するための電解方法であって、
前記電解デバイスが、
少なくとも試料流流動チャネル(16)及びイオン受容流通チャネル(20)を画定するハウジングであって、前記試料流流動チャネル(16)が、前記イオン受容流通チャネル(20)と隣接する、ハウジングと、
前記試料流流動チャネル(16)と前記イオン受容流通チャネル(20)との間に配置された、イオン輸送を可能にし、バルク液体流動を遮断する第1のイオン交換バリア(10b)であって、前記試料流流動チャネル(16)が、上流チャネル部分及び下流チャネル部分を含む、第1のイオン交換バリア(10b)と、
前記下流チャネル部分に配置された高容量イオン交換媒体と、を備え、
前記方法が、
前記上流チャネル部分にわたって第1の電流を印加して、前記対イオンを実質的に完全に抑制し、前記第1のイオン交換バリアにわたる前記対イオンの輸送によって前記上流チャネル部分で前記非試料陰イオンを弱酸に変換するステップと、
前記下流チャネル部分にわたって、前記第1の電流の大きさの10%未満の大きさである第2の電流を印加して、後続の検出中に、前記弱酸のノイズを実質的に減少させるステップと、を含む方法。 - 前記電解デバイスが、
前記試料流流動チャネル(16)に隣接するイオン源流通チャネル(18)と、
前記試料流流動チャネル(16)と前記イオン源流動チャネル(18)との間に配置された、イオン輸送を可能にし、バルク液体流動を遮断する第2のイオン交換バリア(10a)と、をさらに備える、請求項1に記載の方法。 - 前記電解デバイスが、
前記イオン受容流動チャネル(20)に配置された第1の上流電極(26)及び第1の下流電極(28)と、
前記イオン源流動チャネル(18)に配置された第2の上流電極(22)及び第2の下流電極(24)と、をさらに備える、請求項2に記載の方法。 - 前記第1の電流の大きさが、0.1〜300mAである、請求項1〜3のいずれかに記載の方法。
- 前記第1の電流が、前記第1の上流電極(26)及び前記第2の上流電極(22)に印加される、請求項1〜4のいずれかに記載の方法。
- 前記第2の電流の大きさが、0.01〜30mAである、請求項1〜5のいずれかに記載の方法。
- 前記第2の電流が、前記第1の下流電極(28)及び前記第2の下流電極(24)に印加される、請求項1〜6のいずれかに記載の方法。
- 前記電解デバイスが、前記第2の上流電極(22)と前記第2の下流電極(24)とを接続するレジスタ(34)をさらに備える、請求項3に記載の方法。
- 前記レジスタ(34)が、100オームよりも大きい抵抗を有する、請求項8に記載の方法。
- 前記レジスタ(34)が、100オームよりも大きいが、2000オーム未満の抵抗を有する、請求項8に記載の方法。
- 前記電解デバイスが、前記第1の電流及び前記第2の電流を提供する単一の電源をさらに備える、請求項8〜10のいずれかに記載の方法。
- 前記弱酸陰イオンが、炭酸、炭酸水素、またはホウ酸陰イオンを含む、請求項1〜11のいずれかに記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/455,710 US9400268B2 (en) | 2014-08-08 | 2014-08-08 | Method for reducing suppressor noise |
US14/455,710 | 2014-08-08 | ||
PCT/US2015/044158 WO2016022889A1 (en) | 2014-08-08 | 2015-08-07 | A method for reducing suppressor noise |
Publications (2)
Publication Number | Publication Date |
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JP2017524147A true JP2017524147A (ja) | 2017-08-24 |
JP6523456B2 JP6523456B2 (ja) | 2019-05-29 |
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JP2017527535A Active JP6523456B2 (ja) | 2014-08-08 | 2015-08-07 | サプレッサノイズを減少させるための方法 |
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Country | Link |
---|---|
US (1) | US9400268B2 (ja) |
EP (1) | EP3177915B1 (ja) |
JP (1) | JP6523456B2 (ja) |
KR (1) | KR101957363B1 (ja) |
CN (1) | CN106574916B (ja) |
WO (1) | WO2016022889A1 (ja) |
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US10228355B2 (en) | 2016-05-06 | 2019-03-12 | Board Of Regents, The University Of Texas System | Volatile eluent preparation |
US10948466B2 (en) * | 2017-03-03 | 2021-03-16 | Dionex Corporation | Flow control in an electrolytic reagent concentrator for ion chromatography |
US11243194B2 (en) * | 2019-01-25 | 2022-02-08 | Dionex Corporation | Suppressors with eluent screens for use in ion chromatography |
US20230184728A1 (en) * | 2021-12-09 | 2023-06-15 | Dionex Corporation | Suppressor |
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- 2015-08-07 EP EP15753557.6A patent/EP3177915B1/en active Active
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US11982653B2 (en) | 2019-04-01 | 2024-05-14 | Shimadzu Corporation | Ion chromatograph and ion component analysis method |
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US9400268B2 (en) | 2016-07-26 |
EP3177915B1 (en) | 2018-12-12 |
KR20170029572A (ko) | 2017-03-15 |
CN106574916B (zh) | 2018-12-14 |
CN106574916A (zh) | 2017-04-19 |
US20160041133A1 (en) | 2016-02-11 |
KR101957363B1 (ko) | 2019-06-19 |
JP6523456B2 (ja) | 2019-05-29 |
WO2016022889A1 (en) | 2016-02-11 |
EP3177915A1 (en) | 2017-06-14 |
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