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polyphosphoric acid
Product Detailed
Related Categories:Inorganic Acids
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 Analysis | Unit | 95% PPA | 105% PPA | 115% PPA |
1 | PPA | % | ≥95.0 | ≥105.0 | ≥115.0 |
2 | P2O5 | % | ≥68.5 | ≥76.0 | ≥83.3 |
3 | Chloride as Cl | % | ≤0.0005 | ≤0.0005% | ≤0.0005% |
4 | SO4 | % | ≤0.005% | ≤0.005% | ≤0.005% |
5 | Iron as Fe | % | ≤0.002% | ≤0.002% | ≤0.002% |
6 | Arsenic as As | % | ≤0.0001% | ≤0.004% | ≤0.004% |
7 | Heavy metal as Pb | % | ≤0.0005% | ≤0.003% | ≤0.003% |
8 | Fluoride as F | % | ≤0.0005% | ≤0.0005% | ≤0.0005% |
9 | Color | Apha | ≤30 | ≤30 | ≤40 |
polyphosphoric acid
