RO
SR EN ISO 20884:2020
Petroleum products - Determination of sulfur content of automotive fuels - Wavelength-dispersive X-ray fluorescence spectrometry (ISO 20884:2019)
This document specifies a wavelength-dispersive X-ray fluorescence (WDXRF) test method for the determination of the sulfur content of liquid, homogeneous automotive fuels from 5 mg/kg to 500 mg/kg, which have a maximum oxygen content of 3,7 % (m/m). This product range covers: — diesel fuels containing up to about 30 % (V/V) fatty acid methyl esters (FAME), — motor gasolines containing up to about 10 % (V/V) ethanol, — synthetic fuels such as hydrotreated vegetable oil (HVO) and gas to liquid (GTL) having sulfur contents in the range of 5 mg/kg to 45 mg/kg. Products with higher oxygen content show significant matrix effects, e.g. pure FAME used as biodiesel, nevertheless, pure FAME can be analysed when the corresponding procedures are followed (see 5.3 and 8.1). Other products can be analysed with this test method, though precision data for products other than those mentioned have not been established for this document. NOTE 1 Sulfur contents higher than 500 mg/kg can be determined after sample dilution, however, the precision was not established for diluted samples. NOTE 2 For
Status :
Valid
Approval date : 2/28/2020
Number of pages : 16
ICS : 75.080 Petroleum products in general,75.160.30 Gaseous fuels
Technical Committee : 320 - Gaseous and liquid fuels, lubricants and related products of petroleum, synthetic and biological origin
- Replaces SR EN ISO 20884:2011
- Normative reference SR EN ISO 3170:2004
- Normative reference SR EN ISO 3170:2004/C91:2005
- Normative reference SR EN ISO 3171:2002
- Amended by SR EN ISO 20884:2020/A1:2021