The pH meter consists of a reference electrode and a pH electrode, and the potential difference between these two electrodes is measured. The pH of the solution can be directly calculated from the ...

The automatic pH electrode test in conformance with GLP permits objective assessment of the electrode. The large backlit multi-line display provides an overview and makes the individual settings easy.

Connect the electrode wires and prefocus the gels to establish the pH gradient. Start the current at 100 A per gel and continue until the voltage has reached 1,000 V. 6| Using the needle of a ...