ISO 20846:2004 石油产品 汽车燃料中硫磺含量的测定 紫外线萤光法

标准编号：ISO 20846:2004

中文名称：石油产品 汽车燃料中硫磺含量的测定 紫外线萤光法

英文名称：Petroleum products — Determination of sulfur content of automotive fuels — Ultraviolet fluorescence method

发布日期：2004-03

标准范围

ISO 20846:2004规定了用于测定车用汽油(包括含有高达2.7%(m/m)氧的那些)和柴油燃料(包括含有高达5%(V/V)脂肪酸甲酯(FAME)的那些)的硫含量的紫外荧光测试方法，所述柴油燃料的硫含量在3mg/kg至500mg/kg的范围内。可以根据该测试方法分析其他产品和测定其他硫含量，但是，对于除汽车燃料以外的产品和超出ISO 20846:2004规定范围的结果，尚未建立精密度数据。卤素在浓度高于约3 500 mg/kg时干扰该检测技术。当原料中含有痕量含硫物质时，石油和化学精炼中使用的一些工艺催化剂可能被污染。该测试方法可用于测定工艺进料中的硫，也可用于控制流出物中的硫。

ISO 20846:2004 specifies an ultraviolet fluorescence test method for the determination of the sulfur content of motor gasolines, including those containing up to 2,7 %(m/m) oxygen, and of diesel fuels, including those containing up to 5 % (V/V) fatty acid methylester (FAME), having sulfur contents in the range 3 mg/kg to 500 mg/kg. Other products may be analysed and other sulfur contents may 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 ISO 20846:2004. Halogens interfere with this detection technique at concentrations above approximately 3 500 mg/kg.Some process catalysts used in petroleum and chemical refining may be polluted when trace amounts of sulfur-bearing materials are contained in the feedstocks.This test method may be used to determine sulfur in process feeds and may also be used to control sulfur in effluents.

标准预览图