| 摘要 |
In the case of working electrodes in polarographic, amperometric and coulometric measuring systems, but also, for example, in the case of electrodes of a conductivity measuring cell, two important operational parameters, i.e. firstly the accuracy and detection limit and secondly the time required for the system to be ready for measurement, are crucially determined by the tightness with which the electrode is incorporated into the enveloping insulator. Essentially crack-free embedding of the electrode in the insulator is achieved in that the insulator material is applied, at least in a first top coating, to the electrode in a very finely disperse form and is made to adhere thereon. Application is carried out by making use of electrostatic and/or mechanical forces. The insulator material applied is fused in a thermal process or is stoved or sintered. The electrode with an applied first top coating is potted in a further insulator composition.
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