Guaranteed Technical Specifications : Appearance white powder or granular Assay (as Na4P2O7 ) 161Y96.5% Ortho Phosphates pass PH Value 9.9-10.7 Water Insoluble matter 161 0.2% Fluoride (as F) 61 50 ppm Heavy Metals (as Pb) 16110 ppm PB 161 4 ppm Arsenic (As) 161 3 ppm Loss on drying 161 0.5% Application: Tetra Sodium pyrophosphate is used in the food industry as an emulsifying agent,nutrient and texturzing agent in applications including:processed cheese,seafood product,hamburgers and meat.In food industry it is used as buffering agent, emulsifier, nutrition ingredients and quality improver. Packing 25KG, inner plastic and outer plastic or paper. Delivery: direct factory supplies within 15 days. Port: Tianjin Production: 20000MTS/Year MOQ: 1MT Payment: L/C, TT Certificates: HACCP, KOSHER, REACH, HALAL, MSDS, ISO. Packing¡êo25KG, inner plastic and outer plastic or paper.