... 7 · nH 2 O (n 0 , 10) Molecular Weight : 265.90 n=0 , 446.06 n=10 Specification Industry ... 95.5 98.0 96.5 100.5 98.0 Water-insoluble matter ≤ 0.20 0.10 0.20 0.10 PH Value ... , % ≤ 0.0003 Heavy metals(Pb) , % ≤ 0.001 Fluoride F , % ≤ 0.005 Loss of ignition , % ≤ 0.50 38.0 42.0 Usage Used as ... for tinned food and juice.Package 25Kg, 50Kg, 1,000kg bags or according to customer's demand. Na4P2O7.10H2O TSPP ...