Preparation of PBS using 10 L and 50 L Format:
Dissolve 9.88 g of PBS powder in 1 L of water to prepare a 1X PBS solution containing 137 mM sodium chloride, 2.7 mM potassium chloride and 9.8 mM phosphate buffer.
The 10 L and 50 L pack sizes contain sufficient powder to prepare 10 L and 50 L of 1X PBS,respectively.

Preparation of PBS using 2 PK Format:
Dissolve the contents of a single pack into 1 L of water to prepare 10X PBS or into 10 L of water to prepare 1X PBS.

pH at 25°C (1X PBS): 7.3 – 7.5. Conductivity at 25°C (1X PBS): 13,500-17,000 umhos.