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

5 Answers   Celon Labs,

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why the ph scale range is 1 t0 14 and why not beyond 14 and not to below 1?

5 Answers   Avra, Granules, Orchid,

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WHAT IS PVT TEST IN DISSOLUTION TEST , WHAT IS PVT SIGNIFICANCE AND HOW IT IS PERFORMED ?

1 Answers  

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one gram of which below elements has the most atoms in its? a) H b) D C)T D) He

4 Answers  

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injection volume accruacy test i calibration of hplc

3 Answers   HLL,

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When ever we perform system suitability,inject the corresponding standard 6 times why? is thair any reson

4 Answers  

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what is karl fischer principle and reaction ,describe it

5 Answers   Jubilant Organosys, Microsoft,

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If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

0 Answers  

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what is defferance between dipolemoment and polarity

1 Answers   Neuland,

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solvents used in NMR

2 Answers   Laurus,

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control of resolution in calibration of IR

3 Answers  

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What is the major difference b/w Drift and Noise

4 Answers   Aurobindo, Dr Reddys, Reddy Labs,

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