Potassium Phosphate, Monobasic, Reagent, A.C.S.

Unit : 500g


Potassium Phosphate buffers consists of a mixture of monobasic dihdrogen phosphate and dibasic monohydrogen phosphate. These buffers have a very high buffering capacity and are highly soluble in water.
Prepare 800 mL of dH2O in a suitable container.
Add 16.284 g of K2HPO4 to the solution.
Add 0.888 g of KH2PO4 to the solution.
Add distilled water until volume is 1 L.  Potassium Phosphate (pH 5.8 to 8.0)
Potassium Phosphate, Monobasic

KH2PO4 F.W. 136.09 CAS #7778-77-0
A.C.S. Specifications:

Insls. and Calcium, and NH4OH ppt 0.01%
Loss on drying over H2SO4 0.2%
pH of 5% Solution @ 25°C 4.1-4.5
Chloride 0.001%
Nitrogen Compounds 0.001%
Sulfate 0.003%
Sodium 0.005%
Iron 0.002%


Storage : RT


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