Phosphate Buffer pH 6.8 preparation

Preparation of Phosphate Buffer pH 6.8, Mixed  

Dissolve 28.80 g of disodium hydrogen  orthophosphate and 11.45 g of potassium dihydrogen orthophosphate in sufficient  water to produce 1000 mL. 


Phosphate Buffer pH 6.8, 0.2M Mixed  

Phosphate buffer solution pH 6.8 R1  Mix 51 mL of a 2.72% w/v solution of potassium dihydrogen orthophosphate with 49  mL of a 7.16% w/v solution of disodium hydrogen orthophosphate and adjust the pH if  necessary. 

Store at 2° to 8°. 

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