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PH Glass Electrode Of Ph Meter

- Mar 04, 2018 -

The pH glass electrode of ph meter can be soaked with distilled water or pH 4 buffer. Usually use pH4 buffer is better, soaking time 8 hours to 24 hours or more, depending on the thickness of the glass bubble film, the degree of aging of the electrode. At the same time, the reference electrode liquid junction also need to soak. Because if the liquid junction drying will make the liquid junction potential increases or unstable, the reference electrode immersion solution and the reference electrode must be the same reference solution, ie 3.3mol / LKCl solution or saturated KCl solution, soaking time A few hours can be.

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