MD4488C1 - Метод определения количества калия в фармацевтических препаратах - Google Patents

Метод определения количества калия в фармацевтических препаратах

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Publication number
MD4488C1
MD4488C1 MDA20160049A MD20160049A MD4488C1 MD 4488 C1 MD4488 C1 MD 4488C1 MD A20160049 A MDA20160049 A MD A20160049A MD 20160049 A MD20160049 A MD 20160049A MD 4488 C1 MD4488 C1 MD 4488C1
Authority
MD
Moldova
Prior art keywords
amount
tetraphenylborate
potassium
excess
determining
Prior art date
Application number
MDA20160049A
Other languages
English (en)
Romanian (ro)
Other versions
MD4488B1 (ru
Inventor
Марианна ДЫРУ
Михаил РЕВЕНКО
ПАЛАМАРЧУК Олег
Original Assignee
Государственный Университет Молд0
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.)
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Publication date
Application filed by Государственный Университет Молд0 filed Critical Государственный Университет Молд0
Priority to MDA20160049A priority Critical patent/MD4488C1/ru
Publication of MD4488B1 publication Critical patent/MD4488B1/ru
Publication of MD4488C1 publication Critical patent/MD4488C1/ru

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  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

Изобретение относится к потенциометрическому методу количественного определения ионов калия в фармацевтических препаратах.Метод, согласно изобретению, включает добавление заданного количества тетрафенилбората натрия в избытке в исследуемый образец, содержащий ионы калия, и последующее потенциометрическое титрование образца, при этом титрование избытка тетрафенилбората стандартным раствором KCl проводится с тетрафенилборат-селективным электродом на основе [Cr3O(C5H9O2)6(H2O)3][B(C6H5)4]. Количество калия определяется согласно разности между заданным количеством и избытком тетрафенилбората.
MDA20160049A 2016-04-26 2016-04-26 Метод определения количества калия в фармацевтических препаратах MD4488C1 (ru)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20160049A MD4488C1 (ru) 2016-04-26 2016-04-26 Метод определения количества калия в фармацевтических препаратах

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20160049A MD4488C1 (ru) 2016-04-26 2016-04-26 Метод определения количества калия в фармацевтических препаратах

Publications (2)

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MD4488B1 MD4488B1 (ru) 2017-05-31
MD4488C1 true MD4488C1 (ru) 2017-12-31

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MDA20160049A MD4488C1 (ru) 2016-04-26 2016-04-26 Метод определения количества калия в фармацевтических препаратах

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107703019A (zh) * 2017-09-08 2018-02-16 瓮福达州化工有限责任公司 一种含钾型磷酸二铵中钾含量检测方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214968A (en) * 1978-04-05 1980-07-29 Eastman Kodak Company Ion-selective electrode
US4608149A (en) * 1983-06-20 1986-08-26 Eastman Kodak Company Potassium ion-selective compositions and electrodes containing same
EP0129233B1 (en) * 1983-06-20 1989-05-17 EASTMAN KODAK COMPANY (a New Jersey corporation) Potassium ion-selective membranes
EP0155638B1 (en) * 1984-03-15 1990-09-05 EASTMAN KODAK COMPANY (a New Jersey corporation) Potassium-ion-selective electrode
US4973394A (en) * 1988-09-02 1990-11-27 Sri International Immobilized valinomycin molecule for K+ sensor
MD787F1 (en) * 1997-02-13 1997-07-31 Univ De Stat Din Moldova Composition of the ion-selective electrode membrane for dodecylsulfate ions determination

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214968A (en) * 1978-04-05 1980-07-29 Eastman Kodak Company Ion-selective electrode
US4608149A (en) * 1983-06-20 1986-08-26 Eastman Kodak Company Potassium ion-selective compositions and electrodes containing same
EP0129233B1 (en) * 1983-06-20 1989-05-17 EASTMAN KODAK COMPANY (a New Jersey corporation) Potassium ion-selective membranes
EP0155638B1 (en) * 1984-03-15 1990-09-05 EASTMAN KODAK COMPANY (a New Jersey corporation) Potassium-ion-selective electrode
US4973394A (en) * 1988-09-02 1990-11-27 Sri International Immobilized valinomycin molecule for K+ sensor
MD787F1 (en) * 1997-02-13 1997-07-31 Univ De Stat Din Moldova Composition of the ion-selective electrode membrane for dodecylsulfate ions determination

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
Christopoulos T., Diamandis E. Potentiometric titration of pharmaceutical compounds in formulations with sodium tetraphenylborate. Analytica Chimica Acta, 1983, vol. 152, p. 281-284 *
Christopoulos T., Diamandis E., Hadjiioannou T. Potentiometric titration of organic cations with sodium tetraphenylborate and liquid-membrane tetraphenylborate ion-selective electrode. Analytica Chimica Acta, 1982, vol. 143, p. 143-151 *
Dîru Mariana. Senzori potenţiometrici pe baza pivalaţilor trinucleari ai cromului(III). Autoreferatul tezei de doctor în chimie, Chişinău, 2012 *
Walters S. Potentiometric microdetermination of potassium, rubidium and cesium without separation of precipitate. Microchemical Journal, 1988, vol. 37, p. 141-144 *

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MD4488B1 (ru) 2017-05-31

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FG4A Patent for invention issued
KA4A Patent for invention lapsed due to non-payment of fees (with right of restoration)
MM4A Patent for invention definitely lapsed due to non-payment of fees