Specification :

Molecular formula: K4P2O7
Molecular weight: 330. 34
Standard executed: HG/T3591-1999

Properties:
Anhydrous tetra potassium phosphate is in white powder. Relative density 2. 3534 and melting point 1109 C; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25, its solubility in water is 187g/100g water; It can chelate with alkaline metals ions or heavy metal ions.

Uses:
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.

Packing and storage:
I Packed in 25 Kg, 50 Kg or 1000 Kg net bags. It must be stored in places well ventilated and dry.

Guaranteed Technical Specifications:
NO Indexes Super Grade 1st Grade Food Grade
1 Appearance White powder or lumps
2 Assay% e 96.0 95.0 96.0
3 Iron(Fe) % d 0.03 0.05 0.03
4 Water insoluble matter % d 0.1 0.2 0.1
5 Heavy Metals(as Pb)% d 0.001
6 Arsenic(As)% d 0.0003
7 PH Value 10.0-10.7
8 Ortho Phosphate Pass test