Citrate Buffer pH6.0	Final Concentration	Amount
trisodium citrate	10 mM	294 mg
Tween 20 (10%)	0.05%	0.5 mL
ddH2O	n/a	up to 100 mL
Total	n/a	100 mL

Store at 25°C for 3 months or 4°C for longer storage.