how would you determine the acceptance criteria for cleaning validationof product A for product B?

1 Answers   Cipla, Cypher Solutions, Torrent Power,

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using gradient pressure in gas chromatography are not ?using gradient pressure why

0 Answers   Reliance,

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What is the difference between Normal phase method & Reverse method in HPLC ? Define application of both method.

4 Answers  

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Why 1800 ml of dissolution media used In Carbamazepine ER USP Tablets But other drug only 900 ml Media Used ?

1 Answers   Torrent Pharma,

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Defination of ZEEMAN EFFECT in NMR ?

2 Answers  

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how to calibrate hplc & gc

0 Answers   Cipla,

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how to prepare low ppm solution from high ppm solution ?

1 Answers  

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

0 Answers  

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why water factor is near about 5.0 in kf titration?

3 Answers   Claris Lifesciences, Indchemie Health Specialities,

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if your impurity coeluting with each other in that situation how require to set specification? is it acceptable?

0 Answers  

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acetic acid is weak acid & perchloric acid is strong acid.but how perchloric acid is soluble in acetic acid

3 Answers   AVT, Hetero,

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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

0 Answers   Pfizer,

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