Authors:
J. Suzuki Shizuoka University School of Education Oya 836 422 Shizuoka Japan)

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H. Yoshioka Shizuoka University Radiochemistry Research Laboratory, School of Science Oya 836 422 Shizuoka Japan)

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A. Ohya Shizuoka University Radiochemistry Research Laboratory, School of Science Oya 836 422 Shizuoka Japan)

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T. Kambara Shizuoka University Radiochemistry Research Laboratory, School of Science Oya 836 422 Shizuoka Japan)

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Abstract  

A radiometric method based on the redox substoichiometry has been developed for the determination of tellurium. The oxidation of tellurium(IV) to tellurium(VI) with potassium dichromate was employed as the substoichiometric reaction, followed by TBP (tributyl phosphate) extraction of the unreacted tellurium(IV) as the substoichiometric isolation. The oxidation of tellurium(IV) with dichromate under the substoichiometric conditions was incomplete. The chemical yield of tellurium(VI) produced by the oxidation of tellurium(IV) with dichromate was 83%. It was found that a tellurium content of 50 to 160 g could be determined with an accuracy of ±1.3% by means of the comparison method.

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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)