Сульфида натрия хлопья

Product Name Sodium Sulfide ( Yellow flakes)UN NO.1849SynonymFlake Alkali SulphideDangerous Mark8Appearance:Thin flakes, yellow, soluble water, presenting strong alkaline solution, easily oxidized when exposed to air, poison.SpecificationSodium Sulphide Yellow flake (Fe: 150PPM) 1) Na2S : 60.0% Min 2) Na2CO3 : 2.0% Max 3) Water Insoluble : 0.2% Max 4) Fe : 0.015% Max (Fe: 80/50PPM ) 1) Na2S : 60.0% Min 2) Na2CO3 : 2.0% Max 3) Water Insoluble : 0.2% Max 4) Fe : 0.008% Max or 0.005% max (Fe: 30/20PPM) 1) Na2S : 60.0% Min 2) Na2CO3 : 2.0% Max 3) Water Insoluble : 0.05% Max/0.03 Max 4) Fe : 0.003% Max/ 0.002% Max