Sodium Sulphide flakes 10ppm Purity:60% min TYPE:yellow flakes Fe:1500ppm,150ppm,80ppm,50ppm,30ppm,15ppm,5ppm good quality Products name: Sodium Sulphide ... , Sodium SulfideMolecular Formula: Na2SSpecification: 60%CAS NO. 1313-82-2H.S.CODE: 28151100UN ...