1. for quality improver, there is increase food complex metal ions, pH, ionic strength increasing effect, thereby improving food and water holding capacity of the adhesive force. Chinese regulations can be used for cheese 2, used in the chemical, textile, printing and dyeing, paper, power generation and other industries softener and detergent, boiler scale inhibitor, dyeing paper in soft water, pH buffering agents produce glossy paper with adhesive, when printing fixing agent, mercerized fabric enhancer, anti-brittle-line agents. Metallurgical industry as a chemical degreasing, decontamination, for photographic developing solution excellent accelerator. Bottle tooth cleaners and detergents. Rubber latex coagulant. Juice purification agents. Phosphate plays the role of quality improvement in food processing, for example, keep the meat water holding capacity, improve adhesive force and so on, in order to reduce the loss of nutrients in meat and stored meat tenderness in meat products. In food processing is also used as an emulsifier, nutritional supplements, quality improver. Surface preparation is edible alkaline materials, also used in the manufacture of refined sugar.Also used as a food bottles, cans and other detergents.