Potassium pyrophosphate TKPP phosphosol
Specifications |
Low iron |
Technical grade |
Food grade |
Packing: |
25Kgs/bag, in woven or kraft paper bags with inner bag , or as customer's requirements. |
||
Appearance |
white powder or granular |
white powder or granular |
white powder or granular |
Assay (K4P2O7) % |
≥98 |
≥98 |
≥96 |
P2O5 % |
43 approx |
43 approx |
43 approx |
K2O % |
56 approx |
56 approx |
56 approx |
Fe % |
≤0.002 |
≤0.01 |
/ |
As % |
≤0.0005 |
≤0.001 |
≤0.0003 |
Pb % |
/ |
/ |
≤0.0002 |
Heavy metal (as Pb) % |
≤0.001 |
≤0.005 |
/ |
F % |
/ |
/ |
≤0.001 |
Cl % |
≤0.01 |
≤0.1 |
/ |
pH (1% sol.) |
10.0~11.0 |
10.0~11.0 |
10.0~11.0 |
Water insoluble % |
≤0.1 |
≤0.1 |
≤0.1 |
Loss on ignition % |
≤1.0 |
≤1.0 |
≤2.0 |
1)It mainly applied to electroplating without cyanate, industrial or household detergents;
2)It can used as a buffering reagent as well as stabilizer for hydrogen peroxide;
3)It can also be used as dispersion agent for ceramic, clay, latex and pigments etc.
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