1x5Lt XS buffer solution pH 9,21 ± 0,02 / 25°C blue color with N.I.S.T certificate 51100273

XS Green Line buffer solutions, with N.I.S.T traceability, in bottle with built-in dispenser with calibration compartment.

- pH 9.21 ± 0.02/25 °C. Blue. 5000ml (5 lt).