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why should we calibrate pH meter with 4,9.2 and 7.4 buffers particularly?

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why should we calibrate pH meter with 4,9.2 and 7.4 buffers particularly?..

Answer / rajasekhar

Difference between any two buffer intevels should be not more than 4 .so generally we use PH4,PH7.4,PH9.2

Is This Answer Correct ?    2 Yes 0 No

why should we calibrate pH meter with 4,9.2 and 7.4 buffers particularly?..

Answer / sudhakar tambe

It is three point pH calibration one acidic one basic and
one neutral.Buffer PH 4 is acidic 9.2 is basic and 7.4is
neutral

Is This Answer Correct ?    3 Yes 3 No

why should we calibrate pH meter with 4,9.2 and 7.4 buffers particularly?..

Answer / vijayakrishna

for to find the slop of ph and depending on temperature to use different buffer in calibration of ph

Is This Answer Correct ?    1 Yes 1 No

why should we calibrate pH meter with 4,9.2 and 7.4 buffers particularly?..

Answer / 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

Is This Answer Correct ?    0 Yes 3 No

why should we calibrate pH meter with 4,9.2 and 7.4 buffers particularly?..

Answer / hemant hatwar

terai gand mai dalu gya electrode ..................

Is This Answer Correct ?    2 Yes 6 No

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