Diphosphoric acid, tetrapotassium salt; Potassium Pyrophosphate; Tetra-Potassium Pyrophosphate; TKPP; Tetrapotassium pyrophosphate
Usage:It mainly applied to electroplating without cyanate, industrial or household detergents; It can used as a buffering reagent as well as stabilizer for hydrogen peroxide; It can also be used as dispersion agent for ceramic, clay, latex and pigments etc.
Standard:
|
Item |
Unit |
Specification | |
|
Tech grade |
Food grade | ||
|
Appearance: |
- |
White powder |
White powder |
|
Main content： |
% |
95 min |
96 min |
|
Iron as Fe: |
% |
0.05 max |
0.03 min |
|
Water insoluble: |
% |
0.2 max |
0.1 max |
|
Heavy metal as Pb: |
% |
-- |
0.001 |
|
Arsenic as As: |
% |
-- |
0.0003 |
|
Ph of 1% water solution: |
- |
10.0-10.7 |
10.0-10.7 |
|
Ortho phosphate: |
% |
Pass |
Pass |