Carbonate-Bicarbonate Buffer (0.5 M, pH 9.5) - 250ml
Components: Sodium Carbonate / Sodium Bicarbonate(500 mM), Water(rest) - Method: Prepared in 18.2 megohms-cm ± 1 water and filtered through 0.22-micron filter. - pH: 9.5 ± 0.15 - Storage: Room Temp.