| 摘要 |
The invention relates to a potentiometric measuring chain, comprising an ion-selective electrode, a reference electrode and a reference electrode electrolyte, wherein the reference electrode has a diaphragm or an open-junction opening or a combination thereof, which is provided with a protective coating that is detachable and/or removable when in contact with an aqueous solution. The material of the detachable and/or removable protective coating is preferably selected from: sugars, sugar alcohols, soluble starch, polyvinyl alcohol, microcrystalline cellulose and/or mixtures thereof. |
