Determination of impurities in niobium metal by a radiochemical neutron activation analysis

K. Park; N. Kim; H. Woo; K. Lee; Y. Yoon; W. Hong

doi:10.1007/bf02037927

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 179: Issue 1

Determination of impurities in niobium metal by a radiochemical neutron activation analysis

Authors:

K. Park

K. Park Mining and Materials (KIGAM) Korea Institute of Geology 30, Gajeong-dong, Yoosung-gu 305-350 Daejeon (Korea)

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N. Kim

N. Kim Mining and Materials (KIGAM) Korea Institute of Geology 30, Gajeong-dong, Yoosung-gu 305-350 Daejeon (Korea)

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H. Woo

H. Woo Mining and Materials (KIGAM) Korea Institute of Geology 30, Gajeong-dong, Yoosung-gu 305-350 Daejeon (Korea)

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K. Lee

K. Lee Mining and Materials (KIGAM) Korea Institute of Geology 30, Gajeong-dong, Yoosung-gu 305-350 Daejeon (Korea)

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Y. Yoon

Y. Yoon Mining and Materials (KIGAM) Korea Institute of Geology 30, Gajeong-dong, Yoosung-gu 305-350 Daejeon (Korea)

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W. Hong

W. Hong Mining and Materials (KIGAM) Korea Institute of Geology 30, Gajeong-dong, Yoosung-gu 305-350 Daejeon (Korea)

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Pages:: 81–86

Online Publication Date:: 13 Aug 2005

Publication Date:: 17 Mar 1994

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02037927

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Abstract

A radiochemical separation method using an anion exchange resin has been applied to 3N grade Nb for determining nine impurity elements. Five elements (Cr, Fe, Co, Zn and Se) were separated in 2M HF, three elements (Mo, W and Hf) in 32M HF, Nb in 0.5M HF/3M HCl, and Ta in 1M NH₄F/4M NH₄CCl. The contents of the elements were calculated by a single comparator method using two monitors of Au and Co. The main impurity was revealed to be Ta with a content of over 160 ppm.

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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)