Preconcentration of rare earths in geological materials with ascorbic acid for their neutron activation analysis

N. Das

doi:10.1007/bf02037157

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 122: Issue 1

Preconcentration of rare earths in geological materials with ascorbic acid for their neutron activation analysis

Author:

N. Das

N. Das Saha Institute of Nuclear Physics Nuclear Chemistry Division Sector-1, Block-‘AF’, Bidhannagar 700 064 Calcutta (India)

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Pages:: 13–18

Online Publication Date:: 13 Aug 2005

Publication Date:: 17 May 1988

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02037157

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Abstract

The potential use of ascorbic acid as a complexing reagent in the separation and preconcentration of rare earth elements (REE) in geological materials in a suitable solid matrix has been demonstrated. Traces of REE from some USGS standard rock samples, viz., GSP-1, G-2, AGV-1 and PCC-1, have been separated after acid dissolution in two ways: (1) by ion exchange chromatography on Dowex 50×8 column and Na-ascorbate as eluent and (2) by direct complexation with ascorbic acid under specific experimental conditions. The separated REE were coprecipitated with the non isotopic diluent, calcium fluoride, before neutron activation analysis. Radiometric determinations showed that the overall recovery of REE in both cases was practically quantitative.

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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)