pH Electrode FAQ

 pH electrode, also known as pH probe, pH sensor, English name pH electrode, is the part of the pH meter that is in contact with the substance to be measured, and is used to measure the electrode potential. In fact, the use of pH measurement is very wide. Next, the editor will explain to you several problems and solutions that we will encounter when using pH electrodes.

1 What to do if the pH electrode is easily damaged during the test

   Please use Electrode #58702-50. The thickness of this electrode is more than three times that of ordinary electrodes, which greatly enhances the strength of the electrode itself. It is the first epoch-making development product in the world. It is not only suitable for experimental study in various colleges and universities, but also outdoors and factories can be fully utilized.

2 How to measure skin pH

    Now that the health craze is popular, more and more people pay more attention to their health. Therefore, the number of people who measure the pH of the scalp and skin has also increased. We propose to you a surface electrode with a glass membrane in a flat shape. The pH response part of this electrode is on the same plane as the liquid contact part, and can measure the pH of surfaces such as leather, skin, paper, and plant leaves.

3 What to do if the pH value is unstable when measuring river water or tap water

    Please use plastic material pH electrode (#99591-54), low conductivity water, non-aqueous solvent pH electrode (#93004-04, 93004-22). Because these electrodes use high-response glass membranes, it can solve the problem of unstable measurement values ​​and difficulties in measuring tap water, ground water, and river water.

4 How to effectively measure pure water...

 It is very difficult to measure a sample liquid with low pH slow kinetic energy like pure water.

1. Prepare sufficient sample solution.

2. Apply #93004-04, #99591-54 and other high-response electrodes.

3. Make the electrode fully adapt to the sample solution (soak the electrode in the sample solution).

4. Use 3 individual electrodes (glass electrode, comparison electrode, and temperature compensation electrode) respectively, and place the glass electrode on the upper flow of the flow cell for measurement. In order not to be affected by carbon dioxide gas in the atmosphere, atmospheric measurements are avoided. Measured with instantaneous values.