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IP PM ET: Crude Oil — Determination of sulfur content — Wavelength-dispersive X-ray fluorescence spectrometry
- Method adopted/last revised:
- Method reapproved: None
- REF/ISBN: IPPMET2937655
- Status: New
- First printed in STM books: March 2016
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Scope
This standard specifies a method for the determination of the sulfur content in crude oil. The method is applicable to crude oil having sulfur contents in the range 0,005 % (m/m) to 5,00 % (m/m). Higher contents can be determined by appropriate dilution.
NOTE – For the purposes of this International Standard, the term “% (m/m)” is used to represent the mass fraction of a material. High concentrations of phosphorus and lead alkyl (typically above 3 % (m/m) can cause, bias in the sulphur result by absorbing Zr-La and S-Ka to different extents. For crude with a pour point above ambient temperature, gentle heating may be required to mobilise the sample.
Care should be taken to avoid loss of light ends. The sample may need reheating after settling.
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