Used to determine pH of solutions in various industrial applications. Buffer solutions of known and accurate pH value allows to adjust testing system to measure the samples with unknown pH more precisely and accurately.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.