Potassium Dihydrogen Phosphate 99.7% GR 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.
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Transparency of solution
Insoluble in water,%
Loss on drying,%
Heavy metals(as Pb),%
Not a hazardous substance or mixture.