product details
Dipotassium hydrogen phosphate trihydrate K2HPO4·3H2O
Relative molecular Weight:228.22
Properties:Colorless crystals or whitepowder or granules.There are deliquescence.After burning into potassiumpyrophosphate.Soluble in water, the solution was weakly alkaline, slightlysoluble in alcohol.
Product standard number:HG/T 3487-2000
Specifications: Content and content of impurities in %
Test Items | AR | CP |
Content | 99.0 | 97.0 |
Clarity test | Qualified | Qualified |
Water insoluble matter | 0.01 | 0.03 |
Chloride(Cl) | 0.002 | 0.005 |
Sulfate(SO4) | 0.01 | 0.03 |
Nitrate(NO3) | 0.001 | 0.003 |
Sodium(Na) | 0.05 | 0.10 |
Magnesium(Mg) | 0.001 | 0.001 |
Iron(Fe) | 0.001 | 0.003 |
Arsenic (As) | 0.0001 | 0.0003 |
Heavy metals(以Pb计) | 0.001 | 0.003 |
Used as an analysis reagent, commonly usedin the preparation of PH buffer. Also used for antibiotic media preparation andother biochemical research.
AR Grade Dipotassium phosphate Chemical Reagent