Products
Tetra Potassium Pyrophosphate | 7320-34-5 | TKPP
Product Description
(1) Colorcom TKPP white powder or mass, specific gravity: 2.534, M.P.: 1109 ; Soluble in water, insoluble in ethanol and its aqueous solution is alkali. Solubility(25 ): 187g/100g water; PH (1% aqueous solution): 10.2; It has the same properties as other condensed phosphate.
(2) Colorcom TKPP mainly used as complexing agent in cyanogen-free electroplating, substituting for sodium cyanide.
(3) Colorcom TKPP also can be used as pretreating agent in electroplating and pyrophosphoric acid electroplating solution, as ingredient and additive in all kinds of detergents and metal surface treating agent, as clay dispersant in ceramic industry, as dispersant and buffering agent in pigment and dyes, to remove a small amount of ferric ion from water in blanching and dyeing industry to improve quality.
Product Specification
|
Item |
RESULT(Tech grade) |
RESULT(Food grade) |
|
Main content |
≥98% |
≥98% |
|
P2O5 % ≥ |
42.2 |
42.2 |
|
Cl % ≤ |
0.005 |
0.001 |
|
Fe % ≤ |
0.008 |
0.003 |
|
PH (2% water solution ) |
10.1-10.7 |
10.1-10.7 |
|
Heavy Metal (Pb) ≤ |
0.003 |
0.001 |
|
F % ≤ |
0.001 |
0.001 |
|
As % ≤ |
0.005 |
0.0003 |
Package: 25 kg/bag or as you request.
Storage: Store at a ventilated, dry place.
Executive Standard: International standard.
