ES8404512A1 - Procedimiento para la determinacion de agua con ayuda de un reactivo de karl-ficher, exento de piridina. - Google Patents

Procedimiento para la determinacion de agua con ayuda de un reactivo de karl-ficher, exento de piridina.

Info

Publication number
ES8404512A1
ES8404512A1 ES519710A ES519710A ES8404512A1 ES 8404512 A1 ES8404512 A1 ES 8404512A1 ES 519710 A ES519710 A ES 519710A ES 519710 A ES519710 A ES 519710A ES 8404512 A1 ES8404512 A1 ES 8404512A1
Authority
ES
Spain
Prior art keywords
reagent
determination
water
karl fischer
fischer reagent
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.)
Expired
Application number
ES519710A
Other languages
English (en)
Other versions
ES519710A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Merck Patent GmbH filed Critical Merck Patent GmbH
Publication of ES519710A0 publication Critical patent/ES519710A0/es
Publication of ES8404512A1 publication Critical patent/ES8404512A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
    • G01N31/168—Determining water content by using Karl Fischer reagent

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)

Abstract

METODO DE DETERMINACION DE AGUA UTILIZANDO REACTIVO KARL-FISCHER EXENTO DE PIRIDINA.CONSISTE EN DISOLVER LA MUESTRA A ENSAYAR EN UN DISOLVENTE ADECUADO, QUE CONTIENE UNA SAL Y DIOXIDO DE AZUFRE; AÑADIR EL AGENTE DE VALORACION, QUE CONTIENE UNA SAL DE UNA BASE ORGANICA, TAL COMO UN COMPUESTO NITROGENADO CUYO PKB ES MENOR QUE 10, Y DE UN ACIDO ORGANICO DEBIL, TAL COMO UN ACIDO CARBOXILICO AROMATICO CUYO PKA ES MAYOR QUE 2, DIOXIDO DE AZUFRE Y YODO EN UN DISOLVENTE; Y DETERMINAR EL PUNTO FINAL DE LA VALORACION.
ES519710A 1982-02-12 1983-02-11 Procedimiento para la determinacion de agua con ayuda de un reactivo de karl-ficher, exento de piridina. Expired ES8404512A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823204962 DE3204962A1 (de) 1982-02-12 1982-02-12 Karl-fischer-reagenz und verfahren zur bestimmung von wasser mit hilfe dieses reagenzes

Publications (2)

Publication Number Publication Date
ES519710A0 ES519710A0 (es) 1984-04-16
ES8404512A1 true ES8404512A1 (es) 1984-04-16

Family

ID=6155514

Family Applications (1)

Application Number Title Priority Date Filing Date
ES519710A Expired ES8404512A1 (es) 1982-02-12 1983-02-11 Procedimiento para la determinacion de agua con ayuda de un reactivo de karl-ficher, exento de piridina.

Country Status (11)

Country Link
US (1) US4550083A (es)
EP (1) EP0086994B1 (es)
JP (1) JPS58147650A (es)
AT (1) ATE24769T1 (es)
AU (1) AU559987B2 (es)
BR (1) BR8300679A (es)
CA (1) CA1203743A (es)
DD (1) DD238863A5 (es)
DE (2) DE3204962A1 (es)
ES (1) ES8404512A1 (es)
IL (1) IL67873A0 (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6039626A (ja) * 1983-08-11 1985-03-01 Matsushita Electric Ind Co Ltd エレクトロクロミツク表示装置
DE3407014A1 (de) * 1984-02-27 1985-08-29 Merck Patent Gmbh, 6100 Darmstadt Karl-fischer-reagenz und verfahren zur bestimmung von wasser mit hilfe dieses reagenzes
DE3411181A1 (de) * 1984-03-27 1985-10-10 Merck Patent Gmbh, 6100 Darmstadt Karl-fischer-reagenz und verfahren zur bestimmung von wasser mit hilfe dieses reagenzes
JPS60219555A (ja) * 1984-04-16 1985-11-02 Hikosuke Watanabe カ−ルフイツシヤ−法による水分測定用の溶媒
DE3521544A1 (de) * 1985-06-15 1986-12-18 Merck Patent Gmbh, 6100 Darmstadt Loesungsmittel fuer die wasserbestimmung nach karl-fischer
EP0242998B1 (en) * 1986-03-22 1991-07-03 SMITH & NEPHEW plc Disinfecting composition
DE3904992A1 (de) * 1989-02-18 1990-08-23 Riedel De Haen Ag Reagenz fuer die coulometrische wasserbestimmung
JP2819603B2 (ja) * 1989-04-21 1998-10-30 キヤノン株式会社 撮影画面決定装置
DE3943118A1 (de) * 1989-12-27 1991-07-04 Merck Patent Gmbh Karl-fischer-reagenz und verfahren zur bestimmung von wasser mit hilfe dieses reagenzes
DE4102042A1 (de) * 1991-01-24 1992-07-30 Bayer Ag Substituierte aminosaeureamid-derivate deren herstellung und verwendung als fungizide
DE4123976A1 (de) * 1991-07-19 1993-01-21 Riedel De Haen Ag Katholyt fuer die coulometrische wasserbestimmung nach karl fischer
JPH05164830A (ja) * 1991-12-17 1993-06-29 Teac Corp 自動追尾装置
US5389545A (en) * 1993-07-26 1995-02-14 Dahms; Harald Reagents, methods and kits for water determination
DE4421453A1 (de) * 1994-06-18 1995-12-21 Riedel De Haen Ag Karl-Fischer-Reagenz
EP0933634B1 (de) * 1998-01-29 2006-02-08 Sigma-Aldrich Laborchemikalien GmbH Verwendung eines Salzes als Zusatz in Karl-Fischer Reagenzien zur Stabilisierung der Ethanol-Lösungsmittelkomponente
JP4709200B2 (ja) * 2007-11-21 2011-06-22 三菱日立製鉄機械株式会社 双ドラム式連続鋳造設備
CN109254110A (zh) * 2018-09-30 2019-01-22 东莞市杉杉电池材料有限公司 一种锂离子电池电解液水分检测用卡尔费休试剂及其制备方法
US11714072B2 (en) * 2019-03-28 2023-08-01 Honeywell International Inc. Reagent compositions and method for Karl Fischer titration

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE519298A (es) * 1953-04-13
NL101617C (es) * 1956-11-09
ATE7540T1 (de) * 1979-07-26 1984-06-15 J.T. Baker Chemicals B.V. Reagenz zur quantitativen bestimmung von wasser und seine verwendung zur quantitativen bestimmung von wasser.
JPS5664658A (en) * 1979-10-31 1981-06-01 Mitsubishi Chem Ind Ltd Karl fisher reagent
US4378972A (en) * 1980-03-05 1983-04-05 Riedel-De Haen Aktiengesellschaft Titration agent and method for using same
DE3010436A1 (de) * 1980-03-19 1981-09-24 Merck Patent Gmbh, 6100 Darmstadt Pyridinfreies karl-fischer-reagenz und verfahren zur bestimmung von wasser mit hilfe dieses reagenzes
ATE11457T1 (de) * 1980-09-02 1985-02-15 J.T. Baker Chemicals B.V. Reagenz fuer die quantitative bestimmung von wasser und seine anwendung hierfuer.
DE3048237A1 (de) * 1980-12-20 1982-07-15 Merck Patent Gmbh, 6100 Darmstadt "pyridinfreies karl-fischer-reagenz und verfahren zur bestimmung von wasser mit hilfe dieses reagenzes"
EP0056826A1 (en) * 1981-01-22 1982-08-04 J.T. Baker Chemicals B.V. Reagent for quantitative determination of water and its use therefor

Also Published As

Publication number Publication date
DE3368997D1 (en) 1987-02-12
IL67873A0 (en) 1983-06-15
EP0086994B1 (de) 1987-01-07
JPH0513265B2 (es) 1993-02-22
BR8300679A (pt) 1983-11-08
DD238863A5 (de) 1986-09-03
ES519710A0 (es) 1984-04-16
ATE24769T1 (de) 1987-01-15
AU559987B2 (en) 1987-03-26
EP0086994A1 (de) 1983-08-31
DE3204962A1 (de) 1983-08-25
JPS58147650A (ja) 1983-09-02
US4550083A (en) 1985-10-29
AU1087783A (en) 1983-08-18
CA1203743A (en) 1986-04-29

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970401