... woven bag with PE film Delivery Detail prompt Sodium Bromide: Wesupply large qty with reliable quality,competitive price ... PPM ----PH Value Qualified2.Medicine GradeAppearance:White CrystalsAssay,% 99.3MINChlorides,% 0.2 MAXSulphates, PPM 100 MAXLoss on Drying ... , PPM QualifiedPH Value Qualified3.Photo GradeAppearance:White CrystalsAssay,% 99.5MINChlorides,% 0.2 MAXSulphates, PPM 50MAXLoss on Drying,% ...