Determination of As, Cd, Hg, Cu and Zn in biological samples by radiochemical neutron activation analysis

Guisun Zhuang; Yinson Wang; Min Zhi; Wei Zhou; Jianhua Yin; Mingguang Tan; Yuandi Cheng

doi:10.1007/bf02039843

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 129: Issue 2

Determination of As, Cd, Hg, Cu and Zn in biological samples by radiochemical neutron activation analysis

Authors:

Guisun Zhuang

Guisun Zhuang Academia Sinica Shanghai Institute of Nuclear Research P.O.Box 8204 201849 Shanghai (People's Republic of China)

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Yinson Wang

Yinson Wang Academia Sinica Shanghai Institute of Nuclear Research P.O.Box 8204 201849 Shanghai (People's Republic of China)

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Min Zhi

Min Zhi Academia Sinica Shanghai Institute of Nuclear Research P.O.Box 8204 201849 Shanghai (People's Republic of China)

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Wei Zhou

Wei Zhou Academia Sinica Shanghai Institute of Nuclear Research P.O.Box 8204 201849 Shanghai (People's Republic of China)

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Jianhua Yin

Jianhua Yin Academia Sinica Shanghai Institute of Nuclear Research P.O.Box 8204 201849 Shanghai (People's Republic of China)

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Mingguang Tan

Mingguang Tan Academia Sinica Shanghai Institute of Nuclear Research P.O.Box 8204 201849 Shanghai (People's Republic of China)

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, and

Yuandi Cheng

Yuandi Cheng Academia Sinica Shanghai Institute of Nuclear Research P.O.Box 8204 201849 Shanghai (People's Republic of China)

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Pages:: 459–464

Online Publication Date:: 13 Aug 2005

Publication Date:: 17 Feb 1989

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02039843

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Abstract

In this work, a simple group separation scheme based on extraction for NAA determination of trace of As, Cd, Hg, Cu and Zn in biological materials is described. For this purpose, zinc-diethyldithiocarbamate, Zn(DDC)₂, and methyl isobutyl ketone-iodide have been chosen as reagents. The elements can be extracted successively and quantitatively from strong mineral acids without adjusting pH of the solution, and separated into two groups suitable for gamma-ray spectrometry. Samples of 100–200 mg dry weight were double-sealed into polyethylene bags and irradiated in a swimming pool reactor with a thermal neutron flux of 10¹³n·cm^–2·s^–1 for 44 hours. After a cooling period of 1–3 days, the samples were digested with microgram quantities of carrier in concentrated nitric acid and sulfuric acid at 150°C for 3.5 hours in a teflon bomb, then extracted as described above. The reliability of the analytical method was checked using reference materials Horse Kidney IAEA H-8, Human Hair NIES-5 and Tomato Leaves NBS-1573. Most of the results obtained for reference materials agreed with the certified values¹². Chinese autopsy samples of hair and liver were presented.

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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)