polyphosphoric acid

Commodity: polyphosphoric acid Properties:Clear colorless viscous liquid, deliquescent, soluble in water with hydrolysis to phosphoric acid.Use: PPA is widely used in industries including medicine, aromatics, leather, chemical industry, etc.. It is used as cyclizing agent, acidifier and dehydrant in organic synthesis. It can also be used as the substitute for orthophosphoric acid.Packing: in IBC drums.Specifications of Polyphosphoric Acid No.Items of AnalysisUnit95% PPA105% PPA115% PPA1PPA %≥95.0≥105.0≥115.02P2O5%≥68.5≥76.0≥83.33Chloride as Cl%≤0.0005≤0.0005≤0.00054SO4%≤0.005≤0.005≤0.0055Iron as Fe%≤0.002≤0.002≤0.0026Arsenic as As%≤0.0001≤0.004≤0.0047Heavy metal as Pb%≤0.0005≤0.003≤0.0038Fluoride as F%≤0.0005≤0.0005≤0.00059Color Apha≤30≤30≤40