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The Use Of PH Buffer Solution For PH Meter

- Feb 16, 2018 -

What is the use of pH buffer solution for pH meter ?

⑴pH calibration before calibration calibration pH meter.

(2) To check the accuracy of the pH meter. For example, after calibrating the pH meter with pH6.86 and pH4.00, insert the pH electrode into pH9.18 solution and check if the instrument shows the same pH value as the standard solution.

⑶ check the general accuracy of the pH meter need to be reset. The pH meter is calibrated and may drift or change after use, so insert the electrode into a standard buffer that is close to the test solution before testing and determine if recalibration is required based on the error.

⑷ detection of pH electrode performance.

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