... Specification: Items Potassium Bromide(KBr)Industry GradeMedicine GradePhoto GradeAppearanceWhite CrystalAssay, %99.0 MIN99.3 MIN99.5 MINChlorides, %0.2MAX0.2 ... MAX0.2 MAXSulphates, PPM200 MAX100 MAX50 MAXLoss on Drying, %0 ... Metal (as Pb, Hg)PPM5.0 MAX5.0 MAX3.0 MAXArsenic, PPM4.0 MAX4.0 MAX4.0 MAXVolatile, %--Qualified0.5 MAXBromates, ...