Authors:
A. Alexandrov Univcrsity of Plovdiv Department of Analytical Chemistry Plovdiv Bulgaria

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O. Budevsky Academy of Medicine Faculty of Pharmacy Sofia Bulgaria

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A. Dimitrov Univcrsity of Plovdiv Department of Analytical Chemistry Plovdiv Bulgaria

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Abstract  

The extraction equilibrium of the ternary ion-association complex of iodo-nitro-tetrazolium [3-(4-iodophenyl)-2-(4-nitrophenyl)-5-phenyltetrazolium chloride] with the chlorocomplex of thallium(III) is investigated radiochemically. The molar ratio of the ion-associate is found to be 1∶1, the association constant has a value of β=3.2·103 in aqueous solution and the distribution constant is KD=8.9. The extraction constant which gives a quantitative characterization of the equilibrium has a relative high value, E=2.3·104. This enables a convenient application of the investigated system for analytical purposes.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)