Answer / richard marks

ph meters are calibrated using buffer solutins which are at
known ph levels. Make sure the probe is cleaned before
imerging it in the solutions.

Answer / satish

YOU CAN CALIBRATE IN THREE PHASE 4/7/9 PH BUFFER SOLUTION
NORMALLY WE ARE CALIBRATING WITH 4 & 9 PH BUFFER THAT MEAN
4PH--4MA/9PH--20

Answer / subhash

the Ph calibration is done by using the buffer solutions
,with the one probe i,e the reference electrode and the
measurement electrode ,,,,,,,,,,,,,

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