XS Buffer Solution pH 4,01 ± 0.02 / 25°C red color with DAKKS certificate, 1x500 ml

XS proffesional buffers are standardized solutions of pH values of 4.00, 7.00, 9.21 and 10.01 with two years expiration. XS Buffers come with a DAkkS certificate that is available for download from the website www.chromservis.cz. Buffers are color-coded and are factory tested for stability upon exposure to UV radiation and during freezing. The solutions are supplied in volumes of 250 ml, 500 ml.

All solutions delivered in a volume of 250 ml and 500 ml are in a practical plastic canisters that facilitates calibration and prevents contamination of the stock solution.

Important features

• Certificate DAkkS
• Easy to use
• Economical operation (for calibration use only a small quantity of sample)
• Stability 2 years