Sodium Sulphide, yellow flake, 60% 10PPM,20PPM, 30PPM, 50PPM and 80PPM, Packing: 25KG/ BAG Sodium Sulphide, yellow flake, 60% 10PPM,20PPM, 30PPM, 50PPM and 80PPM,Packing: 25KG/ BAGCertificate of Analysis, Sodium Sulphide, yellow flake, 60% 10PPM ItemStandard Test ResultAppearanceYellow FlakesConformAssay≥60.0 % 60.2%Fe≤0.001 %0.001%Water insoluble≤0.2 % 0. 02%