Useful measuring tips for pH meter electrode

The electrode and RTD sensor should be used in a perpendicular position.
For calibration and recalibration of the pH meter, always use a freshly prepared buffer solution measured at 25⁰VS.
When calibrating the pH meter, use a buffer close to the expected value of the sample, it will reduce the amplitude error
The electrode should be washed between sample measurements with deionized or distilled water.
To remove excess water, never rub the electrode bulb; Simply dry the tip end of the electrode with a clean tissue paper.
For a fast response, stir the electrodes in the sample or buffer.
Reactivate or change the electrode with a new one, if the variation in pH 4.00 or pH 9.20 before calibration is greater than 0.3 pH.

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See also!

pH determination by glass electrode

Particle size distribution by sieve analysis

Determination of particle size by sedimentation method

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Jose Hullgren (Laboratory Analist)

Hello to all readers, my name is Jose Hullgren, it is a pleasure to present you this website of my authorship, I am currently working as a laboratory analyst and for the last 10 years I have been working in the pharmaceutical industry. The main idea of this page is to provide relevant information in the field of the pharmaceutical industry above all. We also cover different areas of chemistry and sciences in general that we find interesting. Perfil Linkedin