Substoichiometric determination of cobalt, copper and manganese in glass and glass-making materials by radioactivation analysis

K. Kudo; T. Shigematsu; K. Kobayashi; H. Iso

doi:10.1007/bf02518423

Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 24: Issue 2

Substoichiometric determination of cobalt, copper and manganese in glass and glass-making materials by radioactivation analysis

Authors:

K. Kudo

K. Kudo Nippon Telegraph and Telephone Public Corporation Ibaraki Electrical Communication Laboratory Tokai, Ibaraki Japan

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T. Shigematsu

T. Shigematsu Nippon Telegraph and Telephone Public Corporation Ibaraki Electrical Communication Laboratory Tokai, Ibaraki Japan

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K. Kobayashi

K. Kobayashi Nippon Telegraph and Telephone Public Corporation Ibaraki Electrical Communication Laboratory Tokai, Ibaraki Japan

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, and

H. Iso

H. Iso Nippon Telegraph and Telephone Public Corporation Ibaraki Electrical Communication Laboratory Tokai, Ibaraki Japan

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Pages:: 261–269

Online Publication Date:: 09 Jan 2007

Publication Date:: 01 Sep 1975

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02518423

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Abstract

A method of radioactivation analysis has been developed for the substoichiometric determination of cobalt, copper and manganese in glass and glass-making materials. The substoichiometric extraction of cobalt with α-nitroso-β-naphthol was studied and simple procedures are suggested for the determination of the three elements. Cobalt is extracted substoichiometrically as α-nitroso-β-naphtholate into chloroform from solution of pH 6.2, copper as dithizonate in carbon tetrachloride from weak acidic solution, and manganese as tetraphenylarsonium permanganate into chloroform after oxidation to permanganate. Contents from 2 ppm to 3 ppb of cobalt, copper and managanese were analysed in glass-making materials, and it is shown that the method for their determination is reliable and superior in accuracy and reproducibility.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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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)