supply high quality poly phosphoric acid PPA
Physical Appearce : Colorless and transparent and stickly of Liquid
Specification:
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 |
Usage: Polyphosphoric acids are used as a catalyst in the chemical and the petroleum industries for polymerization, alkylation, dehydration, condensation, and isomerization processes .
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