SERVA Tris-Glycine native sample buffer (2x) Sample buffer for native PAGE. Supplied as 2 x concentrate. Contains 126 mM Tris/HCl (pH 6.8), 20 % glycerol and 0.02 % bromophenol blue. Size - 20ML Storage Conditions - +2 °C TO +8 °C Catalog Number - 42528.01