... Sodium Sulphide Yellow Flakes 60%min, Sodium Sulphide Solid in high quality at competitive price.Uses: Mainly used in drug, food, ... of fruit and vegetable.Property: Solid-fused, brown red color flakes or light yellow crystalline small crystal flakes, with SO2 ... in water, presenting strong alkaline solution, easily oxidized when exposed to air.Specification: Na2S (%): 60%MinFe: 1500PPM, 150PPM, 80PPM, ...