DIN EN ISO 14596-2007
石油产品.硫含量的测定.波长色散X射线荧光光谱法

Petroleum products - Determination of sulfur content - Wavelength-dispersive X-ray fluorescence spectrometry (ISO 14596:2007); English version of DIN EN ISO 14596:2007-12


 

 

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标准号
DIN EN ISO 14596-2007
发布日期
2007年12月
实施日期
废止日期
中国标准分类号
E30
国际标准分类号
75.080
发布单位
DE-DIN
引用标准
ISO 3170-2004 ISO 3171-1988
被代替标准
DIN EN ISO 14596-1998
适用范围
This International Standard specifies a method for the determination of the sulfur content of liquid petroleum products, additives for petroleum products, and semi-solid and solid petroleum products that are either liquefied by moderate heating or soluble in organic solvents (see 4.1) of negligible or accurately known sulfur content. The method is applicable to products or additives having sulfur contents in the range 0,001% (m/m) to 2,50 % (m/m); higher contents can be determined by appropriate dilution. Other elements do not interfere at concentrations anticipated in the materials subject to this analysis. O NOTE For the purposes of this International Standard, the term "% (mhn)" is used to represent the mass fraction of a material. High concentrations of phosphorus or chlorine [typically above 3 % (m/m)] can cause bias in the sulfur result by absorbing Zr-Lα and S-Kα to different extents. It is necessary in these cases to carry out studies to determine whether this potential interference is significant. When larger amounts of molybdenum are present (typically above 50 mg/kg to 100 mg/kg), increased background radiation and spectral overlap with the sulfur signal can occur. It is necessary in these cases to inspect the relevant spectral regions, for example, to investigate the significance of this potential source of bias.

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