Neutron activation analysis of major and trace elements in crude petroleum

M. Musa; W. Markus; A. Elghondi; R. Etwir; A. Hannan; E. Arafa

doi:10.1007/bf02038241

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 198: Issue 1

Neutron activation analysis of major and trace elements in crude petroleum

Authors:

M. Musa

M. Musa Tajoura Research Centre P.O. Box 30878 Tajoura (Libya)

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W. Markus

W. Markus Tajoura Research Centre P.O. Box 30878 Tajoura (Libya)

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A. Elghondi

A. Elghondi Tajoura Research Centre P.O. Box 30878 Tajoura (Libya)

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R. Etwir

R. Etwir Tajoura Research Centre P.O. Box 30878 Tajoura (Libya)

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A. Hannan

A. Hannan Tajoura Research Centre P.O. Box 30878 Tajoura (Libya)

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E. Arafa

E. Arafa Al-Fateh University Chemistry Department P.O. Box 13203 Tripoli (Libya)

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Pages:: 17–22

Online Publication Date:: 13 Aug 2005

Publication Date:: 17 Nov 1995

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02038241

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Abstract

We have determined the concentration of 25 trace elements in crude petroleum from seven Libyan oil fields by instrumental neutron activation analysis. Crude oil samples were irradiated with a thermal neutron dose rate of 10¹² and 10¹³ n·cm^–2·s^–1 in the Tajoura research reactor. The concentration of U, Br, Mg, Cu, Na, V, Cl, Al, Mn and Ca is in a range of 0.015 to 84 ppm and that of sulphur of 0.12 to 1.8%. The elements Sc, Cr, Ni, Fe, Co, Zn, Ag, Se, Sb, Ba, Cs, Yb, Hf and Hg have a concentration range of 0.009 to 8747 ppb. The coefficients of variation are within 10%. The elements V and Ni occur as both porphyrin and non-porphyrin and the ratio of these two forms varies over a wide range. The V/Ni ratios are located between 0.17 and 6.67, which are comparable to the reported values for the crude oils from other countries.

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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)