Product: Aquili Buffer Solution pH 4.003 25ml
Calibration solution for electronic pH meter with pH-value 4.0003.
This handy pack includes bottle in 25 ml of product per calibration value of pH 4.1
The solution contained is ready for use: with this solution pocket pH meters and electrodes can be calibrated repeatedly for calibration.
The use guarantees accurate calibrations. The packaging provides adequate protection of the solution from light and is very practical for use in field measurements.
Ph value (at 25 ° C) 4.00