PBST with Sodium Azide 20X with 2% Tween 20, pH 7.4

200 mM Sodium phosphate, 40 mM potassium phosphate, 54 mM KCl, and 2.75 M NaCl, 2% Tween-20 and 0.02%Sodium azide, pH 7.4 � 0.1. Prepared in 3D water. Shipped at room temperature. Store at room temperatre.