Tetra Potassium Pyrophosphate (TKPP) FG
Molecular formula: K4P2O7
Properties
White conglomerate or grain-like granule deliquescent, easily soluble in water, but not in alcohol; its water solution is alkaline, PH value of 1% solution is 9.5-11.5
Applications
It is mainly used for cyanide-free , electroplating. For food grade it is mainly used as food additive, and nourishment etc.
Packing and storage
In 25kg, or big bags and store at a cool, dry and well ventilated place.
SPECIFICATIONS
No | Specifications | Industrial grade | Food grade |
1 | Main contents% min | 96.5 | 96.5 |
2 | Iron, as Fe % max | 0.03 | 0.03 |
3 | Non- water in soluble max | 0.1 | 0.1 |
4 | PH value of 1% solution | 9.5-11.5 | 9.5-11.5 |
5 | Water insoluble matter max | 0.1 | 0.10 |
6 | Heavy metals, as Pb% max |
| 0.001 |
7 | Arsenic, as As% max |
| 0.0003 |
8 | Fluoride as F% max |
| 0.005 |
9 | Water insoluble% max | 0.10 | 0.10 |