Uses In food processing industry, it is used as buffer, chelate agent, nutrient ... air, PH7.6-8.6 in 5% apueous solution,when heated to 150°C,it may lose crystal water.5,Quality ... drying,%11.0-13.010.0-13.06,Uses In food processing industry, it is used as buffer, chelate agent, nutrient ... care, so as to avoid damage to Bags. SODIUM CITRATE FOOD, BP