... emulsions and developers, in pharmaceutical preparations, etc. Formula: NH4Br M.W. : 97.95 Usage: Employed in the preparation of ... bags Specification:ItemsAmmonium BromideIndustry GradeMedicine GradePhoto GradeAppearanceWhite CrystalAssay,% 99.0MIN99.3 MIN99.5 MINChlorides,% 0.2 MAX0.2 MAX0.2 ... , PPM 200 MAX100 MAX50 MAXLoss on Drying,% 0.5 MAX0.5 MAX0.5 MAXHeavy Metal (as Pb, Hg)PPM5.0 MAX5 ...