PBS, Ultra Pure Grade is a powdered, magnesium- and calcium-free formulation of PBS suitable for cell culture and for use in flow cytometry applications.

• Unsurpassed quality ideal for cell culture applications
• Suitable for flow cytometry applications
• Convenient powdered format is also available in single-use packs
• Does not contain magnesium or calcium
• May be sterilised by filtration

pH at 25 °C, 1X PBS: 7,3 to 7,5
Conductivity at 25 °C, 1X PBS: 13500 to 17000 umhos

Preparation of PBS 1X
Dissolve 9,88 g of PBS powder in 1 litre of water to prepare a 1X PBS solution containing 137 mM sodium chloride, 2,7 mM potassium chloride and 9,8 mM phosphate buffer.