... bromide 2)CAS: 2139-62-6 3)Application: sensitive materials, photographic film, medicine 4)ISO 9001:2000 Product: Potassium BromideSpecificationIndustrial GradePharmacy ... maxCopper (Cu), mg/kg--0.5 maxUse: sensitive materials, sensitive photographic film, medicine etc.Packing: PP woven bag or fibre drum ...