Potassium Dihydrogen Phosphate 99.5% AR Grade Reagent
Colorless crystal or white granular powder. It is stable in air and will lose water at 400 ° C and turn into metaphosphate. It is soluble in about 4.5 parts of water, insoluble in ethanol. The pH is 4.4 ~ 4.7. The relative density is 2.34. The melting point is 252.6 ° C.
Making buffer. Determination of arsenic, antimony, phosphorus, aluminum and iron. Make phosphorus standard solution and medium. The activity of inorganic phosphorus and alkaline phosphatase in serum is measured.
Item of Analysis
Transparency of solution
Insoluble in water,%
Loss on drying,%
Heavy metals(as Pb),%
Not a hazardous substance or mixture.