MD4488B1 - Metodă de determinare a conţinutului de potasiu în preparatele farmaceutice - Google Patents

Metodă de determinare a conţinutului de potasiu în preparatele farmaceutice

Info

Publication number
MD4488B1
MD4488B1 MDA20160049A MD20160049A MD4488B1 MD 4488 B1 MD4488 B1 MD 4488B1 MD A20160049 A MDA20160049 A MD A20160049A MD 20160049 A MD20160049 A MD 20160049A MD 4488 B1 MD4488 B1 MD 4488B1
Authority
MD
Moldova
Prior art keywords
amount
tetraphenylborate
potassium
excess
determining
Prior art date
Application number
MDA20160049A
Other languages
English (en)
Russian (ru)
Other versions
MD4488C1 (ro
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.)
Filing date
Publication date
Application filed by Государственный Университет Молд0 filed Critical Государственный Университет Молд0
Priority to MDA20160049A priority Critical patent/MD4488C1/ro
Publication of MD4488B1 publication Critical patent/MD4488B1/ro
Publication of MD4488C1 publication Critical patent/MD4488C1/ro

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

Abstract

Invenţia se referă la o metodă potenţiometrică de determinare a conţinutului ionilor de potasiu în preparatele farmaceutice.Metoda, conform invenţiei, include adăugarea în exces a unei cantităţi prestabilite de tetrafenilborat de sodiu la proba analizată care conţine ioni de potasiu şi titrarea potenţiometrică ulterioară a probei, totodată, titrarea excesului de tetrafenilborat cu soluţie standard de KCl se realizează cu un electrod tetrafenilborat-selectiv pe bază de [Cr3O(C5H9O2)6(H2O)3][B(C6H5)4]. Conţinutul de potasiu se determină conform diferenţei dintre cantitatea prestabilită şi excesul de tetrafenilborat.
MDA20160049A 2016-04-26 2016-04-26 Metodă de determinare a conţinutului de potasiu în preparatele farmaceutice MD4488C1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20160049A MD4488C1 (ro) 2016-04-26 2016-04-26 Metodă de determinare a conţinutului de potasiu în preparatele farmaceutice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20160049A MD4488C1 (ro) 2016-04-26 2016-04-26 Metodă de determinare a conţinutului de potasiu în preparatele farmaceutice

Publications (2)

Publication Number Publication Date
MD4488B1 true MD4488B1 (ro) 2017-05-31
MD4488C1 MD4488C1 (ro) 2017-12-31

Family

ID=58850666

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20160049A MD4488C1 (ro) 2016-04-26 2016-04-26 Metodă de determinare a conţinutului de potasiu în preparatele farmaceutice

Country Status (1)

Country Link
MD (1) MD4488C1 (ro)

Cited By (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

Family Cites Families (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
CA1210674A (en) * 1983-06-20 1986-09-02 Eastman Kodak Company Potassium ion-selective compositions and electrodes containing same
US4608149A (en) * 1983-06-20 1986-08-26 Eastman Kodak Company Potassium ion-selective compositions and electrodes containing same
US4487679A (en) * 1984-03-15 1984-12-11 Eastman Kodak Company Potassium ion-selective electrode
US4973394A (en) * 1988-09-02 1990-11-27 Sri International Immobilized valinomycin molecule for K+ sensor
MD787G2 (ro) * 1997-02-13 1998-03-31 Государственный Университет Молд0 Compoziţie pentru membrana electrodului senzitiv la prezenţa ionilor de dodecisulfat

Cited By (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

Also Published As

Publication number Publication date
MD4488C1 (ro) 2017-12-31

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Legal Events

Date Code Title Description
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