The use of displacement extraction chromatography in activation analysis

I. Alimarin; Yu. Yakovlev; O. Stepanets

doi:10.1007/bf02514024

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 11: Issue 2

The use of displacement extraction chromatography in activation analysis

Authors:

I. Alimarin

I. Alimarin USSR Academy of Sciences V. I. Vernadsky Institute of Geochemistry and Analytical Chemistry Moscow USSR

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Yu. Yakovlev

Yu. Yakovlev USSR Academy of Sciences V. I. Vernadsky Institute of Geochemistry and Analytical Chemistry Moscow USSR

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O. Stepanets

O. Stepanets USSR Academy of Sciences V. I. Vernadsky Institute of Geochemistry and Analytical Chemistry Moscow USSR

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Pages:: 209–219

Online Publication Date:: 12 Oct 2006

Publication Date:: 01 Aug 1972

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02514024

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Abstract

A method of element separation has been worked out with the use of substoichiometric exchange reactions in combination with extraction chromatography. The principle of the method consists in the successive displacement of elements with lower extraction constants from their complexes by a substoichiometric amount of an aqueous solution of a competitive metal with a higher extraction constant. As stationary phase a chloroform solution of zinc diethyldithiocarbamate was used in the column, and a porous polytetrafluoroethylene (Ftoroplast PF-4) was employed as an inert supporting material. The method was used for the radioactivation determination of zinc, copper, cadmium, silver, mercury, managanese, cobalt and iron traces in yttrium, molybdenum, zirconium, niobium and beryllium. When samples weighing 0.1–1 g are irradiated for 20 hrs with a neutron flux of 1.2·10¹³ n·cm⁻²·sec⁻¹, the determination sensitivity is 10⁻⁴−10⁻⁸%.

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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)