DMSO―電子級
二甲基亞砜―DMSO具有非常強的溶解能力和非凡的滲透能力，廣氾用於反應介質，聚合溶劑，萃取溶劑，提純溶劑，止痛劑，醫藥合成溶劑，藥物溶劑，農用化學劑，電子清洗劑及科學研究實驗試劑。
項 目......................指標....方 法
含量（以DMSO）,GC,%,≥.....99.9...........GB/2307-1986
結晶點,℃,..........................≥.....18.25.........GB/T7533-1993
酸值mgKOH/g,.................≤.....0.01...........GB/T9736-1988
透光度 (nm), %,................≥.....96..............GB 9721-1988
折射率(20℃),..............1.4775-1.4779..........GB/T6488-1986
水分ppm,........ ,.................≤,....300..........GB/T6488-1986
ICP-MS,ppb
Na .................5.7
Mg .................1.7
Al .................0.3
K .................2.8
Ca .................0.5
Mn .................0.5
Fe .................0.1
Co .................0.1
Ni .................0.1
Cu .................0.3
Zn .................0.5
Sn .................0.1
Pb .................0.1
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