... Insoluble solid in water ≤0.10% 0. 15%AppearanceWhite or colorless crystals pass Origin:CHINA Uses: Pharmacy, fertilizer, ... additives, the nutrient source; the light used for the industrial production of fresh yeast, lactic acid, monosodium glutamate, salt ... a conductive salt; do feed additives; also used in industrial wastewater treatment, the wastewater sewage to coagulation and sedimentation, ...