product details
Potassium phosphate trihydrate K3PO4·3H2O
Relative molecular Weight:266.31
Properties:White crystalline powder.Thereis deliquescence.Relative density (d417) 2.564,Melting point 1340 ℃.Soluble inwater, aqueous solution was alkaline. Insoluble in alcohol.
Product standards NO: HG/T 3-1161-78
Specifications: Content and content of impurities in %
Test Items | AR | CP |
Content | 99.0 | 98.0 |
Dipotassium phosphate | Qualified | Qualified |
Clarity test | Qualified | Qualified |
Free base | Qualified | Qualified |
Carbonate(CO3) | Qualified | Qualified |
Chloride(Cl) | 0.003 | 0.01 |
Nitrogen compound(以N计) | 0.001 | 0.002 |
Sulfate(SO4) | 0.01 | 0.02 |
Arsenic(As) | 0.0001 | 0.0003 |
Iron(Fe) | 0.002 | 0.004 |
Sodium(Na) | 0.02 | 0.05 |
Heavy metals(以Pb计) | 0.001 | 0.002 |
Usage:Use for analyzing the reagents,buffers, water softener.Also used in the preparation of detergents and petrolrefining.
Reagent Grade Potassium phosphate High Purity