0.05 M Sodium Borohydrate Buffer – 100 mL

Reagent	Final concentration	Amount
Sodium borate buffer (SBB)	0.05 M	100 mL
Sodium borohydride (NaBH4)	0.2% in 100 mL SBB	0.2 g
Total	0.05 M	100 mL

Store at 20°C–22°C and use within 5 days of preparation.