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  • BSI
    BS EN ISO 20846:2019, BS 2000-490-2019 Petroleum products. Determination of sulfur content of automotive fuels. Ultraviolet fluorescence method
    Edition: 2019
    $316.70
    / user per year

Description of BS EN ISO 20846:2019 2019

This document specifies an ultraviolet (UV) fluorescence test method for the determination of the sulfur content of the following products:

  • having sulfur contents in the range 3 mg/kg to 500 mg/kg,

    • motor gasolines containing up to 3,7 % ( m/ m) oxygen [including those blended with ethanol up to about 10 % ( V/ V)],

    • diesel fuels, including those containing up to about 30 % ( V/ V) fatty acid methyl ester (FAME),

  • having sulfur contents in the range of 3 mg/kg to 45 mg/kg,

    • synthetic fuels, such as hydrotreated vegetable oil (HVO) and gas to liquid (GTL).

Other products can be analysed and other sulfur contents can be determined according to this test method, however, no precision data for products other than automotive fuels and for results outside the specified range have been established for this document. Halogens interfere with this detection technique at concentrations above approximately 3 500 mg/kg.

NOTE 1

Some process catalysts used in petroleum and chemical refining can be poisoned when trace amounts of sulfur-bearing materials are contained in the feedstocks.

NOTE 2

This test method can be used to determine sulfur in process feeds and can also be used to control sulfur in effluents.

NOTE 3

For the purposes of this document, “% ( m/m)� and “% ( V/V)� are used to represent the mass fraction, w, and the volume fraction, φ, of a material respectively.

NOTE 4

Sulfate species in ethanol do not have the same conversion factor of organic sulfur in ethanol. Nevertheless, sulfates have a conversion factor close to that of organic sulfur.

NOTE 5

Nitrogen interference can occur, see 6.5 for further guidance.



Standard NumberBS EN ISO 20846:2019, BS 2000-490-2019
TitlePetroleum products. Determination of sulfur content of automotive fuels. Ultraviolet fluorescence method
StatusRevision Underway
Publication Date2019-10-11
ReplacesBS EN ISO 20846:2011
Identical National Standard OfISO 20846, EN ISO 20846
DescriptorsGasoline, Automotive fuels, Determination of content, Sulfur, Fluorimetry, Ultraviolet radiation, Fluorescence, Petroleum products, Chemical analysis and testing, Diesel fuels
ICS75.160.30 Gaseous fuels, 75.160.20 Liquid fuels
CommitteePTI/13
ISBN978 0 580 51932 1
PublisherBSI
Pages20

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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