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Determination of Nickel and Vanadium in Crude Oil Using Wavelength Dispersive X-Ray Fluorescence Spectrometry and a Tight Standardization Method*

Published online by Cambridge University Press:  06 March 2019

S. Mansour ,
F. Abu-Dagga  and
R. Sabri
S. Mansour
Affiliation:
Kuwait Institute for Scientific Research P.O. Box 24885, SafatKuwait
F. Abu-Dagga
Affiliation:
Kuwait Institute for Scientific Research P.O. Box 24885, SafatKuwait
R. Sabri
Affiliation:
Kuwait Institute for Scientific Research P.O. Box 24885, SafatKuwait
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Abstract

Metallic impurities present in crude oils lead to the rapid deactivation of catalysts used in refineries and a drop in the yield of oil products. The determination of these impurities is therefore of primary importance. The conventional and most widely used methods to determine trace metals in oils and petroleum products are chemical analysis methods such as atomic absorption spectrometry (AAS) and inductively coupled plasmaoptical emission spectrometry (ICP-OES). Sample preparation for these methods includes decomposition of the crude sample by dry ashing and combustion of the oil sample followed by chemical treatment of the dry ash residue (ASTM, 1983; Fassel et al., 1976). Major drawbacks of chemical analysis methods are the length of time required to prepare the sample and the possibility of losing trace metallorganic compounds in the form of volatile compounds.

Type
Research Article
Information
Advances in X-Ray Analysis , Volume 29: Thirty-Fourth Annual Conference on Applications of X-ray Analysis, August 5-9, 1985 , 1985 , pp. 511 - 519
Copyright
Copyright © International Centre for Diffraction Data 1985

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Footnotes

*

Kuwait Institute for Scientific Research Publication No. KISR-1835, Kuwait.

References

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