Formulated to provide exact values to an accuracy of +/- 0.01 pH @ 25 deg C, our colour coded Buffer Solutions is designed to be used in calibration of any pH Meter.
A 2 bottle pack, essential for TWO Point calibration, containing 1 bottle of each of the following:
pH 4.01 pH Calibration Buffer (Red)
pH 7.0 pH Calibration Buffer (Yellow)
Accuracy: =/- 0.01 pH @ 25 deg C