Phosphate/citrate buffer
0.1 M dibasic sodium phosphate
0.05 M sodium citrate (pH 5.0)
Adjust to pH 5.0 with phosphoric acid and filter sterilize (22-μm pore size filter). Prepare immediately before use.
0.1 M dibasic sodium phosphate
0.05 M sodium citrate (pH 5.0)
Adjust to pH 5.0 with phosphoric acid and filter sterilize (22-μm pore size filter). Prepare immediately before use.