烃类杂质 标准查询与下载
共找到 150 条与 烃类杂质 相关的标准，共 10 页
Toluene; Determination of hydrocarbon impurities; Gas chromatographic method
本标准规定了用气相色谱法测定溶解乙炔中烃类杂质。 本标准适用于溶解乙炔中q 及q 以下烃类组分的测定
Determination of Hydrocarbon Impurities in Dissolved Acetylene by Gas Chromatography
Gas Chromatographic Determination of Hydrocarbon Impurities in Toluene
1．1 本标准规定了用气相色谱法测定工业用丙烯中体积分数不小于0．000 2％的甲烷、乙烷、乙烯、丙烷、环丙烷、异丁烷、正丁烷、丙二烯、乙炔、反一2一丁烯、l一丁烯、异丁烯、顺一2一丁烯、l，3一丁二烯、甲基乙炔等烃类杂质的方法。丙烯的体积分数可由l00．O0％减去杂质的总量求得。 由于本
Propylene for industrial use--Determination of hydrocarbon impurities gas chromatographic method
Butadiene for industrial use－Determination of hydrocarbon impurities－Gas chromatographic method
Ethylene for industrial use－Determination of hydrocarbon impurities－Gas chromatographic method
本标准规定了焦化甲苯中烃类杂质的气象色谱测定的原理、采样、试剂、仪器和材料、准备工作、试验步骤、结果计算、精密度。 本标准适用于焦化甲苯中烃类杂质，包括苯、C8芳烃直至正壬烷的非芳烃的测定，对每组杂质的测定范围是0.01%~0.03%(质量分数
Toluene of coal carbonization-Determination of hydrocarbon impurities gas chromatographic method
1.1 本标准规定了用气相色谱法测定工业用乙烯中甲烷、乙烷、丙烷、丁烷、异丁烷、丙烯、乙炔、丙二烯、顺-2-丁烯、1-丁烯、异丁烯、反-2-丁烯、甲基乙炔和1，3-丁二烯。由于本标准不能测定所有可能存在的杂质如CO、CO2、H2O、醇类、NO和羰基硫化物，以及高于癸烷的烃类
Ethylene for industrial use--Determination of hydrocarbon impurities--Gas chromatographic method
Propylene for industrial use－Determination of hydrocarbon impurities－Gas chromatographic method
This International Standard specifies a gas chromatogrphic method for the determination of hydrocarbon impurities in ethylene for industrial use
Ethylene for industrial use; Determination of hydrocarbon impurities; Gas chromatographic method
This International Standard specifies a gas chromatographic method for the deteremination of hydrocarbon impurities in propylene for industrial usr
Propylene for industrial use; Determination of hydrocarbon impurities; Gas chromatographic method
Ethylene for industrial use－Determination of hydrocarbon impurities－Gas chromatographic method
本标准规定了用气相色谱法测定1，2，4-三甲基苯（偏三甲苯）纯度及烃类杂质含量的方法。 本标准适用于纯度不低于98.0%（质量分数），烃类杂质含量不低于0.001%（质量分数）的1，2，4-三甲基苯的测定
1，2，4-Trimethylbenzene.Determination of purity and hydrocarbon impurities.Gas chromatographic method
本标准规定了化学级丙烯纯度和甲烷、乙烷、乙烯、丙烷、环丙烷、异丁烷、正丁烷、丙二烯、乙炔、反-2-丁炼、1-丁烯、异丁烯、顺-2-丁烯、1, 3-丁二烯、甲基乙炔等烃类杂质测定的气相色谱法。本标准适用于纯度不低于90% (体积分数)、杂质含量不低于0.001% (体积分数)的丙烯样品的测定。由于本
Chemical grade propylene.Determination of purity and hydrocarbon impurities.Gas chromatographic method
Ethylbenzene for industrial use - Determination of purity and hydrocarbon impurities - Gas chromatographic method
