A new internal reference method for activation analysis and its application: Determination of Ti, Cr, Ni and Zr in aluminium alloys by means of photon activation

M. Yagi; K. Masumoto

doi:10.1007/bf02036977

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 84: Issue 2

A new internal reference method for activation analysis and its application

Determination of Ti, Cr, Ni and Zr in aluminium alloys by means of photon activation

Authors:

M. Yagi

M. Yagi Tohoku University Laboratory of Nuclear Science Mikamine 982 Sendai (Japan)

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K. Masumoto

K. Masumoto Tohoku University Laboratory of Nuclear Science Mikamine 982 Sendai (Japan)

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Pages:: 369–380

Online Publication Date:: 14 Aug 2005

Publication Date:: 17 Nov 1984

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02036977

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Abstract

A new internal reference method for activation analysis has been developed. The method can be used effectively for special samples in which suitable elements as internal standards are absent and the self-shielding effect can be neglected. In this method, W_b g of element B as an internal reference is added to the sample which contains W_a g of element A to be determined, whereas the comparative standard is prepared by mixing only the element A and B in a known concentration ratio of W _a^* /W_b. When the sample and comparative standard are irradiated by particles with the same energy distribution, even though both are irradiated separately by particles with different flux, W_a can be determined easily by the following equation.

\documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{upgreek} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \pagestyle{empty} \DeclareMathSizes{10}{9}{7}{6} \begin{document} $$W_a = \left( {{{A_R } \mathord{\left/ {\vphantom {{A_R } {A_R^* }}} \right. \kern-\nulldelimiterspace} {A_R^* }}} \right)W_a^*$$ \end{document}

where A_g and A_R are count ratios between gamma-rays emitted by two radioactive nuclides produced from elements A and B in the sample and comparative standard, respectively. The usefulness of the present method was examined through the determination of Ti, Cr, Ni and Zr in several commercial aluminium alloys by means of photon activation, and the accuracy and precision of the method were verified.

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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)