有没有熟悉蒸馏法测石油产品中的水分这个标准的啊? 最近工作涉及购买化学 试剂 ,试剂为标准ISO3733-1999,石油产品和 沥青 材料水含量的测定(蒸馏法)中所用到的溶剂,有两个petroleum distillate实在不知道是什么,具体描述为: A) petroleum distillate,yielding not more than 5%(V/V) distillates at 125 ℃ and not less than 20%(V/V) at 160 ℃ when tested in accordance with ISO3405 and with a density not lower than 855kg/m3 at 15 ℃ B) A petroleum solvent,free of water, of which 5%(V/V)boils between 90 ℃ and 100 ℃, and 90%(V/V)distills below 210℃ C) light petroleum with a boiling range of 100℃ to 120℃ 那位知到这三种是什么溶剂啊?查看更多2个回答 . 1人已关注