Contact kevin at abelcn dot com Items Standards Food grade Tech grade Appearance White crystalline powder White to tan crystalline powder Indentification Meet the requirements Meet the requirements Purity, % 98.0-102.0 98.0-102.0 Loss on drying, % 0.30max 0.30max Reducing substances, % 0.10max 0.30max Heavy metals, 5max 10max As, 1max 1max Sulphate 50max 100max Chloride, 30max 100max Lead, 1max 1max Clarity Colorless Colorless Ph 6.5-7.8. 25kg pp woven bags with pe liner inside, 500kg or 1000kg bag.