AU1087783A

AU1087783A – Karl-fischer reagent for determination of water
– Google Patents

AU1087783A – Karl-fischer reagent for determination of water
– Google Patents
Karl-fischer reagent for determination of water

Info

Publication number
AU1087783A

AU1087783A
AU10877/83A
AU1087783A
AU1087783A
AU 1087783 A
AU1087783 A
AU 1087783A
AU 10877/83 A
AU10877/83 A
AU 10877/83A
AU 1087783 A
AU1087783 A
AU 1087783A
AU 1087783 A
AU1087783 A
AU 1087783A
Authority
AU
Australia
Prior art keywords
determination
water
karl
fischer reagent
pkb
Prior art date
1982-02-12
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.)

Granted

Application number
AU10877/83A
Other versions

AU559987B2
(en

Inventor
Wolfgang Fischer
Karl-Dieter Krenn
Georg Seitz
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.)
1982-02-12
Filing date
1983-02-01
Publication date
1983-08-18

1983-02-01
Application filed by Merck Patent GmbH
filed
Critical
Merck Patent GmbH

1983-08-18
Publication of AU1087783A
publication
Critical
patent/AU1087783A/en

1987-03-26
Application granted
granted
Critical

1987-03-26
Publication of AU559987B2
publication
Critical
patent/AU559987B2/en

2003-02-01
Anticipated expiration
legal-status
Critical

Status
Ceased
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

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

Abstract

A Karl Fischer reagent useful in the determination of water, comprises sulfur dioxide, iodine and a salt which is a system compatible addition compound of a nitrogen-containing organic base having a pKb<10 with a weak aromatic carboxylic acid having a pKa>2.

AU10877/83A
1982-02-12
1983-02-01
Karl-fischer reagent for determination of water

Ceased

AU559987B2
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

DE32049625

1982-02-12

DE19823204962

DE3204962A1
(en)

1982-02-12
1982-02-12

KARL FISCHER REAGENZ AND METHOD FOR DETERMINING WATER BY MEANS OF THIS REAGENT

Publications (2)

Publication Number
Publication Date

AU1087783A
true

AU1087783A
(en)

1983-08-18

AU559987B2

AU559987B2
(en)

1987-03-26

Family
ID=6155514
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU10877/83A
Ceased

AU559987B2
(en)

1982-02-12
1983-02-01
Karl-fischer reagent for determination of water

Country Status (11)

Country
Link

US
(1)

US4550083A
(en)

EP
(1)

EP0086994B1
(en)

JP
(1)

JPS58147650A
(en)

AT
(1)

ATE24769T1
(en)

AU
(1)

AU559987B2
(en)

BR
(1)

BR8300679A
(en)

CA
(1)

CA1203743A
(en)

DD
(1)

DD238863A5
(en)

DE
(2)

DE3204962A1
(en)

ES
(1)

ES519710A0
(en)

IL
(1)

IL67873A0
(en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

JPS6039626A
(en)

*

1983-08-11
1985-03-01
Matsushita Electric Ind Co Ltd
Electrochromic display device

DE3407014A1
(en)

*

1984-02-27
1985-08-29
Merck Patent Gmbh, 6100 Darmstadt

KARL FISCHER REAGENZ AND METHOD FOR DETERMINING WATER BY MEANS OF THIS REAGENT

DE3411181A1
(en)

*

1984-03-27
1985-10-10
Merck Patent Gmbh, 6100 Darmstadt

KARL FISCHER REAGENZ AND METHOD FOR DETERMINING WATER BY MEANS OF THIS REAGENT

JPS60219555A
(en)

*

1984-04-16
1985-11-02
Hikosuke Watanabe
Solvent for measuring moisture by karl fischer technique

DE3521544A1
(en)

*

1985-06-15
1986-12-18
Merck Patent Gmbh, 6100 Darmstadt

SOLVENT FOR WATER DETERMINATION ACCORDING TO KARL-FISCHER

AU606051B2
(en)

*

1986-03-22
1991-01-31
Chauvin Pharmaceuticals Limited
Disinfecting composition

DE3904992A1
(en)

*

1989-02-18
1990-08-23
Riedel De Haen Ag

REAGENT FOR COULOMETRIC WATER DETERMINATION

JP2819603B2
(en)

*

1989-04-21
1998-10-30
キヤノン株式会社

Shooting screen determination device

DE3943118A1
(en)

*

1989-12-27
1991-07-04
Merck Patent Gmbh

KARL FISCHER REAGENT AND METHOD FOR DETERMINING WATER WITH THE HELP OF THIS REAGENT

DE4102042A1
(en)

*

1991-01-24
1992-07-30
Bayer Ag

SUBSTITUTED AMINO ACID DERIVATIVES THEIR PRODUCTION AND USE AS FUNGICIDES

DE4123976A1
(en)

*

1991-07-19
1993-01-21
Riedel De Haen Ag

KATHOLYT FOR THE COULOMETRIC WATER DETERMINATION BY KARL FISCHER

JPH05164830A
(en)

*

1991-12-17
1993-06-29
Teac Corp
Automatic tracking system

US5389545A
(en)

*

1993-07-26
1995-02-14
Dahms; Harald
Reagents, methods and kits for water determination

DE4421453A1
(en)

*

1994-06-18
1995-12-21
Riedel De Haen Ag

Karl Fischer reagent

DE59813376D1
(en)

*

1998-01-29
2006-04-20
Sigma Aldrich Laborchemikalien

Use of a salt as additive in Karl Fischer reagents for stabilizing the ethanol solvent component

JP4709200B2
(en)

*

2007-11-21
2011-06-22
三菱日立製鉄機械株式会社

Twin drum continuous casting equipment

CN109254110A
(en)

*

2018-09-30
2019-01-22
东莞市杉杉电池材料有限公司
A kind of lithium-ion battery electrolytes water content detection karl Fischer reagent and preparation method thereof

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
(en)

*

1953-04-13

NL101617C
(en)

*

1956-11-09

EP0023230B1
(en)

*

1979-07-26
1984-05-16
J.T. Baker Chemicals B.V.
Reagent for the quantitative determination of water, and its use

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
(en)

*

1980-03-19
1981-09-24
Merck Patent Gmbh, 6100 Darmstadt

PYRIDINE-FREE KARL-FISCHER REAGENT AND METHOD FOR DETERMINING WATER BY MEANS OF THIS REAGENT

EP0046819B1
(en)

*

1980-09-02
1985-01-23
J.T. Baker Chemicals B.V.
Reagent for the quantitative determination of water and its use therefor

DE3048237A1
(en)

*

1980-12-20
1982-07-15
Merck Patent Gmbh, 6100 Darmstadt

«PYRIDINE-FREE KARL-FISCHER REAGENT AND METHOD FOR DETERMINING WATER BY MEANS OF THIS REAGENT»

EP0056826A1
(en)

*

1981-01-22
1982-08-04
J.T. Baker Chemicals B.V.
Reagent for quantitative determination of water and its use therefor

1982

1982-02-12
DE
DE19823204962
patent/DE3204962A1/en
not_active
Withdrawn

1983

1983-01-29
DE
DE8383100843T
patent/DE3368997D1/en
not_active
Expired

1983-01-29
AT
AT83100843T
patent/ATE24769T1/en
not_active
IP Right Cessation

1983-01-29
EP
EP83100843A
patent/EP0086994B1/en
not_active
Expired

1983-02-01
AU
AU10877/83A
patent/AU559987B2/en
not_active
Ceased

1983-02-08
CA
CA000421097A
patent/CA1203743A/en
not_active
Expired

1983-02-09
IL
IL67873A
patent/IL67873A0/en
not_active
IP Right Cessation

1983-02-10
DD
DD83247860A
patent/DD238863A5/en
unknown

1983-02-10
JP
JP58019872A
patent/JPS58147650A/en
active
Granted

1983-02-10
BR
BR8300679A
patent/BR8300679A/en
not_active
IP Right Cessation

1983-02-11
ES
ES519710A
patent/ES519710A0/en
active
Granted

1983-02-16
US
US06/466,187
patent/US4550083A/en
not_active
Expired – Lifetime

Also Published As

Publication number
Publication date

ES8404512A1
(en)

1984-04-16

AU559987B2
(en)

1987-03-26

DE3368997D1
(en)

1987-02-12

BR8300679A
(en)

1983-11-08

JPH0513265B2
(en)

1993-02-22

JPS58147650A
(en)

1983-09-02

IL67873A0
(en)

1983-06-15

ATE24769T1
(en)

1987-01-15

DE3204962A1
(en)

1983-08-25

US4550083A
(en)

1985-10-29

ES519710A0
(en)

1984-04-16

CA1203743A
(en)

1986-04-29

DD238863A5
(en)

1986-09-03

EP0086994B1
(en)

1987-01-07

EP0086994A1
(en)

1983-08-31

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Improved procedure of oxidation with carboxylic peroxiacides (Machine-translation by Google Translate, not legally binding)

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