Simultaneous determination of Co, Mo, Ni, W and moisture content in hydrodesulfurization catalysts by neutron capture gamma-ray spectrometry

M. Heurtebise; J. Lubkowitz

doi:10.1007/bf02520188

Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 38: Issue 1-2

Simultaneous determination of Co, Mo, Ni, W and moisture content in hydrodesulfurization catalysts by neutron capture gamma-ray spectrometry

Authors:

M. Heurtebise

M. Heurtebise IVIC Centro de Petróleo y Química Instituto Venezolano de Investigaciones Científicas Apartado 1827 Caracas (Venezuela)

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and

J. Lubkowitz

J. Lubkowitz IVIC Centro de Petróleo y Química Instituto Venezolano de Investigaciones Científicas Apartado 1827 Caracas (Venezuela)

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Pages:: 115–124

Online Publication Date:: 09 Jan 2007

Publication Date:: 01 Mar 1977

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02520188

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Abstract

Neutron capture γ-ray spectrometry has been applied for the simultaneous determination of Co, Mo, Ni, W and moisture in hydrodesulfurization catalysts. The Co, Mo and water content are determined in a 10 min irradiation using a 500–2500 keV calibration. Ni and W, if present, require, and additional 30 min irradiation, using a 5000–9000 keV calibration. In both cases TiO₂ is used as internal standard. Results are in good agreement with those obtained by NAA for metals and by TGA for moisture.

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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)