BS 135; 458; 805:1977废止
Specifications for benzene, xylenes and toluenes
出版：British Standards Institution
专家解读视频
基本信息
标准编号： BS 135; 458; 805:1977
发布时间：1977/2/28 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
One grade of benzene and three grades each of xylene and toluene. Appendices give test methods for measurement of colour, determination of density at 20C, total sulphur content (reduction, Wickbold and lamp methods), free sulphur, residue on evaporation (ordinary and air-jet methods), crystallizing point (of benzene), tests for acid wash, presence of hydrogen sulphide and mercaptans (Doctor test), examination for neutrality, GLC method of analysis (of toluene), details of STPTC thermometers.
标准备注
© British Standards Institution 2013
Replaces notes:
Replaces BS 135:1963, BS 458:1963 and BS 805:1963.
Amendment notes:
AMD 2676
