... Advantages: 1. highest purity, lowest content of heavy metal 2. Factory direct sale+ competitive price+prompt delivery Other Names ... CarbonateUses: 1, desulfurization in the production of pentasodium phosphate. 2, used to handle sewage containing chrome3, used to produce ... test sieve %≥75Cautions: 1, inorganic toxic chemicals, hazardous code 83004, kept in dry place, no breakage, or leakage ...