JP2006145538A - 電気伝導度測定用測定セルの校正用の溶液及びその使用 - Google Patents
電気伝導度測定用測定セルの校正用の溶液及びその使用 Download PDFInfo
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- 238000005259 measurement Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title description 3
- 239000000243 solution Substances 0.000 claims abstract description 52
- 239000012482 calibration solution Substances 0.000 claims abstract description 40
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000654 additive Substances 0.000 claims abstract description 26
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 18
- 239000001257 hydrogen Substances 0.000 claims abstract description 18
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 235000011187 glycerol Nutrition 0.000 claims abstract description 13
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims abstract description 11
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920000728 polyester Polymers 0.000 claims abstract description 10
- 229920000570 polyether Polymers 0.000 claims abstract description 10
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 8
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 8
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 5
- 229920001451 polypropylene glycol Polymers 0.000 claims abstract description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 5
- 150000003839 salts Chemical class 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 230000000996 additive effect Effects 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 13
- 150000002148 esters Chemical class 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 150000001408 amides Chemical class 0.000 claims description 3
- 150000002576 ketones Chemical class 0.000 claims description 3
- 229910017464 nitrogen compound Inorganic materials 0.000 claims description 3
- 150000002830 nitrogen compounds Chemical class 0.000 claims description 3
- 238000011109 contamination Methods 0.000 abstract description 9
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 32
- 239000001103 potassium chloride Substances 0.000 description 16
- 235000011164 potassium chloride Nutrition 0.000 description 16
- -1 KCl Chemical class 0.000 description 14
- 150000002500 ions Chemical class 0.000 description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical group CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012086 standard solution Substances 0.000 description 3
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 125000004093 cyano group Chemical group *C#N 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 229910001414 potassium ion Inorganic materials 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 229910021642 ultra pure water Inorganic materials 0.000 description 2
- 239000012498 ultrapure water Substances 0.000 description 2
- AVFZOVWCLRSYKC-UHFFFAOYSA-N 1-methylpyrrolidine Chemical compound CN1CCCC1 AVFZOVWCLRSYKC-UHFFFAOYSA-N 0.000 description 1
- SANSPEXFDMFMEB-UHFFFAOYSA-N 2-amino-2-iminoacetamide Chemical compound NC(=N)C(N)=O SANSPEXFDMFMEB-UHFFFAOYSA-N 0.000 description 1
- SDAONIOBCBHJQL-UHFFFAOYSA-N 3-diazodiazirine Chemical compound [N-]=[N+]=C1N=N1 SDAONIOBCBHJQL-UHFFFAOYSA-N 0.000 description 1
- KHBQMWCZKVMBLN-UHFFFAOYSA-N Benzenesulfonamide Chemical compound NS(=O)(=O)C1=CC=CC=C1 KHBQMWCZKVMBLN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241000243251 Hydra Species 0.000 description 1
- LELOWRISYMNNSU-UHFFFAOYSA-N Hydrocyanic acid Natural products N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- AHVYPIQETPWLSZ-UHFFFAOYSA-N N-methyl-pyrrolidine Natural products CN1CC=CC1 AHVYPIQETPWLSZ-UHFFFAOYSA-N 0.000 description 1
- HMLNNATXISJPFM-UHFFFAOYSA-N NOS(=O)(=O)SS(=O)(=O)ON Chemical compound NOS(=O)(=O)SS(=O)(=O)ON HMLNNATXISJPFM-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- AYQSABYGICAHBY-UHFFFAOYSA-N [2-(diaminomethylidene)hydrazinyl]urea Chemical compound NC(N)=NNNC(N)=O AYQSABYGICAHBY-UHFFFAOYSA-N 0.000 description 1
- SYMFVJDPTMXZAT-UHFFFAOYSA-N [N+](=[N-])=NN(NNNN=[N+]=[N-])N=NN Chemical compound [N+](=[N-])=NN(NNNN=[N+]=[N-])N=NN SYMFVJDPTMXZAT-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 125000002339 acetoacetyl group Chemical group O=C([*])C([H])([H])C(=O)C([H])([H])[H] 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 229910001422 barium ion Inorganic materials 0.000 description 1
- 229910001423 beryllium ion Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 1
- 125000001951 carbamoylamino group Chemical group C(N)(=O)N* 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- MFOBKQAGVZYMON-UHFFFAOYSA-N cyanoformohydrazide Chemical compound NNC(=O)C#N MFOBKQAGVZYMON-UHFFFAOYSA-N 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 1
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000003355 oxamoyl group Chemical group C(C(=O)N)(=O)* 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
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 229910001419 rubidium ion Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 229910001427 strontium ion Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- CYFLXLSBHQBMFT-UHFFFAOYSA-N sulfamoxole Chemical group O1C(C)=C(C)N=C1NS(=O)(=O)C1=CC=C(N)C=C1 CYFLXLSBHQBMFT-UHFFFAOYSA-N 0.000 description 1
- 125000000446 sulfanediyl group Chemical group *S* 0.000 description 1
- FDDDEECHVMSUSB-UHFFFAOYSA-N sulfanilamide Chemical compound NC1=CC=C(S(N)(=O)=O)C=C1 FDDDEECHVMSUSB-UHFFFAOYSA-N 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- HPQYKCJIWQFJMS-UHFFFAOYSA-N tetrathionic acid Chemical compound OS(=O)(=O)SSS(O)(=O)=O HPQYKCJIWQFJMS-UHFFFAOYSA-N 0.000 description 1
- 150000003568 thioethers Chemical class 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
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
-
- 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
- G01N33/15—Medicinal preparations ; Physical properties thereof, e.g. dissolubility
-
- 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
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- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
【解決手段】伝導度測定用測定セルの校正用の溶液であって、水素結合を形成する少なくとも2つの基を有する少なくとも1種の添加剤を含み、該添加剤がエチレングリコール、1,2−プロピレングリコール、ジエチレングリコール、グリセリン、トリエタノールアミン、ポリエチレングリコール、ポリプロピレングリコール、ポリビニルアルコール、ジヒドロキシ末端を有するポリエーテル、トリヒドロキシ末端を有するポリエーテル及び/又はジヒドロキシ末端を有するポリエステル、トリヒドロキシ末端を有するポリエステルからなる群から選択されることを特徴とする溶液を提供する。
【選択図】なし
Description
Anal. Chem. (1993) 65, 1 Cal Lab、2000年7月、8月、29〜36頁
(a)水性の校正溶液を準備する工程、
(b)(a)の水性の校正溶液に、前記のような水素結合を形成する少なくとも2つの基を有する少なくとも1種の添加剤を添加する工程
を含むことを特徴とする方法を提供する。
基礎として、幾つかの規格で記載されているような25℃で147μS/cmの伝導性を有する0.001MのKCl水溶液を用いた。
伝導度:25℃で18.0μS/cm
20%の水と80%のグリセリン中の0.001MのKCl:
伝導度:25℃で3.4μS/cm
20%の水と80%のポリエチレングリコール中の0.001MのKCl:
伝導度:25℃で16.3μS/cm
10%の水と90%のトリエタノールアミン中の0.001MのKCl:
伝導度:25℃で1.8μS/cm
10%の水と90%のグリセリン中の0.0013MのKCl:
伝導度:25℃で1.3μS/cm
前記実施例は、好適な物質を添加するとイオン移動度が大きく低下することを示している。それによって、例えば10−3Mといった比較的高い塩含量を有するにもかかわらず、非常に低い伝導度を有する校正溶液が実現できる。
塩含量が比較的高ければ、汚染の影響は相応して低くなる。この校正溶液で満たした250mlボトルは、その伝導度がCO2の混入によって大きく変更されることなく1時間も開放したままで放置できる。
以下の実施例は、250mlのガラスボトル中に貯蔵された5μS/cmの校正溶液の長期安定性を示している。該校正溶液は、80%のグリセリン、20%の水及び0.0014MのKClを含有していた。伝導度を25℃で定期的に測定した。
2000年9月 25℃で4.97μS/cm
2001年4月 25℃で4.98μS/cm
2001年12月 25℃で4.99μS/cm
2002年6月 25℃で4.99μS/cm
2002年12月 25℃で5.00μS/cm
前記の値の幾つかは物理技術連邦機構(ブラウンシュヴァイク在)によって確認された。
Claims (14)
- 伝導度測定用測定セルの校正用の溶液であって、エチレングリコール、1,2−プロピレングリコール、ジエチレングリコール、グリセリン、トリエタノールアミン、ポリエチレングリコール、ポリプロピレングリコール、ポリビニルアルコール、ジヒドロキシ末端を有するポリエーテル、トリヒドロキシ末端を有するポリエーテル及び/又はジヒドロキシ末端を有するポリエステル、トリヒドロキシ末端を有するポリエステルからなる群から選択される、水素結合を形成する少なくとも2つの基を有する少なくとも1種の添加剤を含有することを特徴とする溶液。
- 水素結合を形成する基が、少なくとも1kJ/モルで、最大50kJ/モルの結合エネルギーで水素結合することを特徴とする、請求項1記載の溶液。
- 水素結合を形成する基がOH基であることを特徴とする、請求項1又は2記載の溶液。
- 添加剤がトリエタノールアミン、グリセリン、ポリエチレングリコール及び/又はエチレングリコールであることを特徴とする、請求項1から3までのいずれか1項記載の溶液。
- 添加剤がトリエタノールアミン及び/又はグリセリンであることを特徴とする、請求項4記載の溶液。
- 伝導度<150μS/cmを有することを特徴とする、請求項1から5までのいずれか1項記載の溶液。
- 添加剤の含量が、校正溶液に対して、少なくとも10容量%で、最大で99容量%であることを特徴とする、請求項1から6までのいずれか1項記載の溶液。
- 溶剤として水を含有することを特徴とする、請求項1から7までのいずれか1項記載の溶液。
- 溶剤として水及び少なくとも1種の他の溶剤を含有することを特徴とする、請求項1から8までのいずれか1項記載の溶液。
- 少なくとも1種の他の溶剤が、アルコール、ケトン、エステル、アミド及び/又は窒素化合物からなる群から選択されることを特徴とする、請求項9記載の溶液。
- 少なくとも1種の塩を含有することを特徴とする、請求項1から10までのいずれか1項記載の溶液。
- 塩の含量が少なくとも0.0005Mであることを特徴とする、請求項11記載の溶液。
- 塩の含量が少なくとも0.0005Mであり、かつ同時に溶液の伝導度が<70μS/cmであることを特徴とする、請求項11又は12記載の溶液。
- 伝導度測定用測定セルの校正のための、エチレングリコール、1,2−プロピレングリコール、ジエチレングリコール、グリセリン、トリエタノールアミン、ポリエチレングリコール、ポリプロピレングリコール、ポリビニルアルコール、ジヒドロキシ末端を有するポリエーテル、トリヒドロキシ末端を有するポリエーテル及び/又はジヒドロキシ末端を有するポリエステル、トリヒドロキシ末端を有するポリエステルからなる群から選択される、水素結合を形成する少なくとも2つの基を有する少なくとも1種の添加剤を含有する溶液の使用。
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EP04027439A EP1659397B1 (de) | 2004-11-18 | 2004-11-18 | Kalibrationslösung für die Konduktometrie |
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US (1) | US20070007149A1 (ja) |
EP (1) | EP1659397B1 (ja) |
JP (1) | JP4653641B2 (ja) |
AT (1) | ATE374938T1 (ja) |
DE (1) | DE502004005159D1 (ja) |
DK (1) | DK1659397T3 (ja) |
Families Citing this family (1)
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WO2022054078A1 (en) * | 2020-09-10 | 2022-03-17 | Deepti Konduru | Low conductivity standard solution for calibrating the conductivity meters |
Citations (6)
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JPS612054A (ja) * | 1984-06-15 | 1986-01-08 | Denki Kagaku Keiki Co Ltd | 濃度測定装置 |
JPH0634589A (ja) * | 1992-07-18 | 1994-02-08 | Horiba Ltd | 導電率計の白金黒電極の保存方法 |
JPH1062371A (ja) * | 1996-08-26 | 1998-03-06 | Japan Organo Co Ltd | 硼素測定方法及び装置並びに超純水製造装置及びその運転方法 |
JPH10206366A (ja) * | 1997-01-27 | 1998-08-07 | Shio Jigiyou Center | 塩のカリウムイオン含有量分析方法及び分析装置 |
JPH11281604A (ja) * | 1998-03-27 | 1999-10-15 | Horiba Ltd | 導電率センサ |
JP2002055132A (ja) * | 2000-08-10 | 2002-02-20 | Dkk Toa Corp | 電気伝導率セルの汚れ検出方法及び電気伝導率測定装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1550149A (en) * | 1975-10-28 | 1979-08-08 | Dictaphone Corp | Direct gas sensors |
JPH0797098B2 (ja) * | 1984-07-14 | 1995-10-18 | 株式会社堀場製作所 | 複数のイオン電極の同時校正用標準液 |
US4996160A (en) * | 1987-06-09 | 1991-02-26 | The Dow Chemical Company | Method and apparatus for quantitative measurement of ionic and organic contaminants remaining on cleaned surfaces |
US5472880A (en) * | 1988-05-24 | 1995-12-05 | The Queen's University Of Belfast | Conductance measurements in organic solvents |
DE19835615A1 (de) * | 1998-08-06 | 2000-02-10 | Basf Ag | Für elektrochemische Zellen geeignete Zusammensetzungen |
NL1011499C2 (nl) * | 1999-03-09 | 2000-09-14 | Nmi Van Swinden Lab B V | Vloeistof-referentiestandaard voor het meten van geleidbaarheden van vloeistoffen. |
WO2001067079A1 (en) * | 2000-03-09 | 2001-09-13 | Clinical Analysis Corp. | Medical diagnostic system |
US20050037381A1 (en) * | 2002-09-16 | 2005-02-17 | Receptors Llc | Artificial receptors, building blocks, and methods |
-
2004
- 2004-11-18 EP EP04027439A patent/EP1659397B1/de active Active
- 2004-11-18 AT AT04027439T patent/ATE374938T1/de not_active IP Right Cessation
- 2004-11-18 DK DK04027439T patent/DK1659397T3/da active
- 2004-11-18 DE DE502004005159T patent/DE502004005159D1/de active Active
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2005
- 2005-11-18 JP JP2005334693A patent/JP4653641B2/ja active Active
- 2005-11-18 US US11/281,895 patent/US20070007149A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS612054A (ja) * | 1984-06-15 | 1986-01-08 | Denki Kagaku Keiki Co Ltd | 濃度測定装置 |
JPH0634589A (ja) * | 1992-07-18 | 1994-02-08 | Horiba Ltd | 導電率計の白金黒電極の保存方法 |
JPH1062371A (ja) * | 1996-08-26 | 1998-03-06 | Japan Organo Co Ltd | 硼素測定方法及び装置並びに超純水製造装置及びその運転方法 |
JPH10206366A (ja) * | 1997-01-27 | 1998-08-07 | Shio Jigiyou Center | 塩のカリウムイオン含有量分析方法及び分析装置 |
JPH11281604A (ja) * | 1998-03-27 | 1999-10-15 | Horiba Ltd | 導電率センサ |
JP2002055132A (ja) * | 2000-08-10 | 2002-02-20 | Dkk Toa Corp | 電気伝導率セルの汚れ検出方法及び電気伝導率測定装置 |
Also Published As
Publication number | Publication date |
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JP4653641B2 (ja) | 2011-03-16 |
EP1659397B1 (de) | 2007-10-03 |
EP1659397A1 (de) | 2006-05-24 |
ATE374938T1 (de) | 2007-10-15 |
DE502004005159D1 (de) | 2007-11-15 |
DK1659397T3 (da) | 2007-10-29 |
US20070007149A1 (en) | 2007-01-11 |
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