pH 4.01 buffer solution in a 500 mL bottle
Utilize pH 4.01 Calibration Buffer Solution (500 mL) to accurately calibrate and take measurements with pH equipment. Hanna buffer solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle. This buffer solution solution does not contain any dyes that may stain the reference cell of a pH electrode.
- Air tight bottle with tamper-proof seal for quality
- Color coded label for easy identification of pH buffer values
- Perfect for routine maintenance to ensure accurate readings while extending the life of the electrode