We offer Sodium gluconate is widely used in textile dyeing, printing and metal surface water treatment, chelating agent, steel surface cleaning agent, cleaning agent for glass bottle, chelating agent for cement, plating and alumina dyeing industries. And good food additive or food fortifier of sodium. Item Food grade Identifications Meet the specifications Assay, % 98.0 -102.0 Drying loss, % 0.30 Heavy metal, g/g 0.002 Sulphate, % 0.03 Chloride, % 0.03 Reduzate, % 0.30