SS-EN-ISO-8754 Petroleum products - Determination of sulfur content - Energy-dispersive X-ray flourescence spectrometry (ISO 8754:2003)

SS-EN-ISO-8754 - EDITION 2 - CURRENT
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This International Standard specifies a method for the determination of the sulfur content of petroleum products, such as naphthas, unleaded motor gasolines, middle distillates, residual fuel oils, base lubricating oils and components. The method is applicable to products having sulfur contents in the range 0,03 % (m/m) to 5,00 % (m/m). NOTE For the purposes of this International Standard, the term "% (m/m)" is used to represent the mass fraction of a material. Heavy metal additives, such as lead alkyls, may interfere with the determination. Elements such as silicon, phosphorus, calcium, oxygen, potassium, zinc, molybdenum, barium and halogens interfere, if present in concentrations of more than a few hundred milligrams per kilogram. Some modern instruments allow the analyst to compensate for matrix and spectral interferences by spectra deconvolution and inter-element correction by multiple regression. For samples varying in composition of aromatic hydrocarbons and paraffinic hydrocarbons, the ratio of carbon to hydrocarbon in a sample (C/H ratio) may also interfere with the determination, when the ratio of the sample differs by one or more from that of the reference materials from which the calibration is obtained.

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Designation Name

SS-EN ISO 8754

Revision Level

EDITION 2

Status

Current

Publication Date

Aug. 15, 2003

Language(s)

English

Page Count

11

International Equivalent

ISO 8754:2003 IDT* EN ISO 8754:2003 IDT