Phosphate Buffer Calculator

Phosphate Buffer
Calculator (Sörensen)

Parameters

Target pH

Total Molarity (M)

Desired Volume (Liters)

Monobasic Phosphate — Acid Salt (MW)

Dibasic Phosphate — Base Salt (MW)

Please enter valid numbers.

NB!

Normal Range for the pH in this Buffer is: 5.8 - 8.0

10x Stock solution usually has a molarity of 1.0M
The 1x working buffer has a molarity of 0.1M

The commonly used salts are:
KH2PO4 (water free) and Na2HPO4.2H2O