In chromatograpbic purity 90% is there, in assay 70% is there. How will you prove remaining 30%.

3 Answers   Dr Reddys,

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Retention time & Relative Retention time Definition & between difference? How to Calculate response factor(RF) & relative response factor(RRF)?

3 Answers   MSN Pharma, Titan,

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What is the difference between specified impurity and Identified impurity

3 Answers   Glenmark,

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why do we adjusted ph in the mobilphase

9 Answers   Cipla, Dr Reddys, Reddy Labs,

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what is the meaning of stress study?

2 Answers   Reddy Labs,

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why we are use metthanol variously in kfr?why don't use other solutions?

4 Answers  

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what is the most common FT-IR source used for the MID&Near IR regions?

1 Answers   Dr Reddys, Piramal Enterprises,

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In IR spectra, generally a molecule vibrates without apply emr or ir light?

0 Answers  

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diference b/w packed &capilary columns

2 Answers  

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principle of AAS & its uses ?

1 Answers   Auriga,

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What are usp limits for total impurities,unknown impurity

1 Answers   Dr Reddys,

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If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?

0 Answers  

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