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Sulfur Analysis in Petroleum Products by Benchtop WDXRF According to ASTM D2622-10

From Rigaku Corporation

Crude oil contains sulfur in concentration from 0.5
mass% to 5.0 mass% typically, and sulfur is one of
critical elements in refinery processes and final prod
ucts.
Sulfur in petroleum-based fuels contributes to atmos
pheric pollution; therefore, sulfur content in fuels, es
pecially in automobile fuels, is strictly controlled. Sulfur
also causes damage to process components such as
catalysts in refinery processes. Therefore, control of
sulfur content is very important in the petroleum indus
try from the standpoints of both environmental and
production costs.
X-ray fluorescence (XRF) spectrometry has been used
for quantitative analysis of sulfur in petroleum products,
owing to simple sample preparation. In XRF analysis of
oil, the sample ¡s simply poured into a plastic cup
equipped with a transparent film without any compli
cated treatment, such as chemical decomposition or
serial dilution. In addition, concentration of total sulfur
is obtained in XRF analysis.

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