... -6 5. 25kg PP bag with PE lining. Copper Pyrophosphate 34% Min item index: ItemIndexContent (Cu) ≥34.0Potassium ... pyrophosphate insoluble substance,% ≤0.1Sodium (Na) ,% ≤0.5Plumbous (Pb) ,% ≤0. ... 003Ferrum (Fe) ,% ≤0.01Arsenic(As) ,% ≤0.0003 Copper Pyrophosphate 34% Min product details: MF: Cu2P2O7 Appearance: Light green powderPurity ...