@@ -79,3 +79,4 @@ The calibration standard solutions are of pH 4, 7 and 10.
d. If the filling solution is encrusted outside the electrode, remove it by rinsing the electrode with deionized water.
4. Contact the quality assistant if the logbook is full.
5. Would you notice any issue with the instrument, [create a ticket](https://service.uni.lu/sp?id=sc_cat_item&sys_id=be0873f8db7070505c72ef3c0b96199f&sysparm_category=af924f17dbac38105c72ef3c0b96194b).