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Food additive sodium tripolyphosphate(STPP)
Food additive sodium hexametaphosphate(SHMP)
Food additive sodium pyrophosphate(TSPP)
Food additive sodium acid pyrophosphate(SAPP)
Food additive tripotassium phosphate(TKP)
Food additive monopotassium phosphate(MKP)
Food additive tetrapotassium pyrophosphate(TKPP)
Food additive potassium ferrocyanide
English name: Copper pyrophosphate
Molecular formula: Cu2P2O7
Property: Light blue or sky blue powder, insoluble in water, soluble in potassium diphosphate aqueous solution.
Packing instruction: PP-PE bags or paper bags.The net weight is 25kg/bag, or according to the customers' requirements.
Executive standard: Q/CDH 182-2012
Quality standard:
Item | IndexRequirements |
Copper (Cu) content,% ≥ | 34 |
Chloride (Cl),% ≤ | 0.01 |
Sodium (Na),% ≤ | 0.5 |
Lead (Pb),% ≤ | 0.003 |
Iron (Fe),% ≤ | 0.01 |
Zinc (Zn),% ≤ | 0.005 |
Arsenic (As),% ≤ | 0.0005 |
Potassium diphosphate insoluble matter,% ≤ | 0.1 |
Usage: Mainly used in non-cyanide plating, printed circuit plastic plating and electroforming, in the copper under layer of decorative protective layer, etc




