pH Calibration solutions provided by RS Hydro are specifically for use with electrodes and pH meters they are formulated to provide precise pH values with accuracy within ±0.02 pH at 25°C. All soultions provided are standardised against N.I.S.T certfied reference samples, colour coded for convenience, are available in two sizes and contain preservative/mould inhibitor to give a shelf life of 12 months. Solutions offered by RS Hydro are PHa-4, PHA-7 and PHA-10 if you would like further information please contact our staff today.
Manufactured by: Solinst
Model: pH Calibration Solutions