Sodium Sulphide/Sodium Sulfuret flake 1) all kinds of sodium flakes 2) purity: 52%, 60% 3)Brand products in China Sodium Sulphide/Sodium Sulfuret flake Molecular formula: Na2SAppearance: Thin ... :1. Red flakes-purity:60%,iron:1500ppm2. Yellow flakespurity:60%,iron:30ppm,50ppm,80ppm,150ppm purity:52%,iron:20ppm,50ppm,150ppm Sodium Sulphide: ItemSpec.Fe3+:1500ppmFe3 ...