191315
°ü¸®ÀÚ [2018-08-30 18:43:18]
Á¶È¸¼ö 312
Petroleum Ether 40-60¡ÆC (DAB) pharma grade
5L / 25L
Density 20/20: 0.642-0.656
Range of Boiling (¡Ã 75 Vol. %): 40-60¡ÆC
Maximum limit of impurities
Appearance: passes test
Acidity or alkalinity: passes test
Non-volatile matter: 0.001 %
Darkened substances by H2SO4: passes test
Sulphur compounds and reducing subst: passes test
Foreign substances and odours: passes test
Benzene: 0.001%
n-Hexane: 2%
Tetraethyl Lead: passes test