Topic: косметическое сырье купить

Description: Brown-black or black, viscous liquid; characteristic and strong, resembling naphthalene-like odor. On publicity to air, the liquid solidifies. When ignited, the liquid burns in the air with a luminous sooty flame and almost no residue stays. 750 gm/L) TS and filter. The filtrate is yellow with bluish-green fluorescence. To 5 ml of the filtrate from check 2, add just a few drops of bromine TS. Such closed techniques should be sterilized in place by a validated process, integrity exam...