Answer Posted / sivasankara ganesh malla

Methanol is primary alcohol and polar solvent , all drugs are polar nature. So all drugs dissolved in methanol. Neutralized the kf reagent

if rsd failed then what require to do?

764

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WHY pKa value is more important than pH value of the mobile phase in HPLC?

1716

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WHAT IS THE USE OF STARTER ?????????

2357

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if you have given one product then how you determine the impurity in that?

691

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what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

2230

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acceptance criteria for lod & loq by standard deviation of response and slope??

2533

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in which situation require to take incident in validation?

1657

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Which parameter require to do for analytical method equivalency?

732

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

791

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function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

2611

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What is mean by PDR?

861

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What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

1852

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Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

2671

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Qc interview questions

1694

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what is classification of elemental impurities? what is risk assement in elemental impurities?

709

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