Metrohm volumetric calibrations provide accuracy reassurance.
There are two key components that guarantee the accuracy of your titration: the electrode and the burette.
While you should be calibrating your pH electrode, at the very least, daily, how often do you calibrate your burette?
Metrohm Quality Services provide volumetric calibrations of Exchange Unit, Dosing Unit and Cylinder Units.
Using accurate balances for gravimetric measurement, each burette is taken through 10 random doses from 10% to 100% of the cylinder volume.
Analysing check standards will only get you so far. Burette calibration can ensure you are seeing the right result.