Answer Posted / ganesh

Combined equal filtered volumes of 6 or 12 withdrawals in
dissolution.

What is similarity factor?

1146

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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

796

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What is gelatinization?

1573

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How to determine water content of bis tetrazole amine mono ammonium salt

3423

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if peak get problamatic then what require to do?

742

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What is the calibration of uv process and preparation

1938

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What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.

2603

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How we choose the mobile phase for method development.?

1161

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how many types of balance calibration test?

2249

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If combination product how require to identify which imp is of which api?

789

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please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

1575

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in which situation ion pair agent require to use?

676

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why does used dry caffien in HPLC calibration?

1983

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How to choose the which salt is suitable for mobilephase

3175

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why we use a particular hplc column for a particular compound give reasons?please

2684

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