3 packs of pH buffer calibration powder, each packet will produce 250ml of solution.
Used for the recalibration of pH meters, accurate to 0.01 pH
pH Calibration Powder 3 Pack Includes
- pH 4.01 pH calibration powder x 1
- pH 7.00 pH calibration powder x 1
- pH 10.01 pH calibration powder x 1