五条吗三级片中文字幕_亚洲第一在线精品_无码浓密的中出人妻_日韩AV有码在线播放二区

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Dimethyl sulfone
project Specifications
Appearance White crystal
Mesh number 40-60 mesh
purity ＞99.9%
DMSO content ≤0.01%
Melting point @ 760mm Hg 108℃±1℃
Bulk density ＞0.65g/ml
water content ＜0.2%
heavy metal ＜3ppm
arsenic ＜0.1ppm
cadmium ＜0.1ppm
mercury ＜0.1ppm
lead ＜1ppm
Burning residue ＜0.2%
Total bacteria ＜1000CFU/G
Coliform No
Escherichia coli No
Yeast ＜10
Salmonella No

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