why should we calibrate pH meter with 4,9.2 and 7.4 buffers particularly?
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Answer Posted / ramgepharma
there was nothing particularity in pH meter calibration, as per our utility in lab or products, we will fix those particular points
in my lab, 1.68, 4.00-acid
7.00-Neutral
10.01,12.45-base
and also we can follow as per usp or some other compendial specs
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