Phosphoric acid 85%
Sodium tripoly phosphate
Sodium hexametaphosphate
Sodium dihydrogen phosphate
Anhydrous sodium dihydrogen phosphate
Sodium hydrogen phosphate
Anhydrous sodium hydrogen phosphate
Trisodium phosphate
Anhydrous trisodium phosphate
Monopotassium phosphate
Dipotassium phosphate
Anhydrous dipotassium phosphate
Monoammonium phosphate
Diammonium phosphate
Sodium pyrophosphate
Tetrapotassium pyrophosphate
 

 
 

Tetrapotassium Pyrophosphate

Tetrapotassium Pyrophosphate

Formula: K4P2O7

MW: 330.35

Quality: White powder or mass, specific gravity: 2.534, M.P.: 1109°C; Soluble in water, insoluble in ethanol and its aqueous solution is alkali. Solubility(25°C): 187g/100g water; It has the same properties as other condensed phosphate.

Usage: Mainly used as complexing agent in cyanogen-free electroplating, substituting for sodium cyanide. It 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.

Package: 25kg in plastic paper bag.

Transport: By train, truck and vessel, etc.

Specifications
Industrial Grade
Food Grade
Content % ≥
98.0
98.0
Iron(Fe) % ≤
0.01
0.01
Water Insoluble % ≤
0.1
0.1
PH of 1% water solution
10-10.7
10-10.7
Arsenic (As) % ≤
---
0.0003
Heavy Metals (Pb) % ≤
0.003
0.001
Orthophosphate
accord with regulation
accord with regulation
Appearance
white powder or mass
white powder or mass



 
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