What is the composition of buffer FWB2?

The composition of Buffer FWB2 is:

• 1 M potassium acetate, pH 5.0

Buffer FWB2 is the QIAfilter wash buffer used in QIAfilter Plasmid Kits for plasmid purification. Details on buffer preparation and storage are presented in Appendix B of the QIAfilter Plasmid Purification Handbook.