Answer / rajasekhar

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

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

Answer / vijayakrishna

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

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

Answer / hemant hatwar

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

In pharmaceuticals formulation OOS applicable in Raw Material(which is not manufacturing in the company. and purchase by approved vendor)).Why?

1 Answers   Orchid,

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3 Answers   Novartis, Watson Pharmaceuticals,

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1 Answers   RA Chem Pharma,

Why do we need GC instead of HPLC? or Why do we need HPLC instead of GC?

4 Answers  

which procedure we follow if 6th month of accelerated sample fail?

1 Answers   Dr Reddys,

why we are used 4,7,9,2 buffers for the ph calibration

4 Answers   Aurobindo, Enaltec Labs,

in OSD forms require to use gas chromatography?

0 Answers  

how to calculate corelation coefficient in G.C Calibration? what is the calculation part?

1 Answers   Cipla, Ortin Labs,

in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?

0 Answers  

Give me details about dissolution , with name ?

1 Answers   EPCA,

why using factor 1.00639 in burette calibration of kf

1 Answers   Cipla,

for inorganic molecules require to do RS, Assay and disso?

0 Answers