Answer / krishnamurthy

Purity indicates existence of of required compound rest of
other components(impurities) in a sample matrix.

Potency indicates the strength of required compound rest
of other components(impurities,MC,ROI, OVI,etc) in a sample
matrix. This potency correction is useful for the weight
correction. This gives the exat weight which we taken.

Answer / sai

Purity means- it explains how pure our analyte is in the given mixture. It is not related to the how much our analyte is in the given mixture. i.e  percentage of our analyte without impurities in HPLC (i.e known or unknown)  

Potency means-  it is measurement of our analyte  how potent it is.  i.e  purity of our analyte without all possible impurities like chromatographic impurities (HPLC, GC-Residual solvents, TLC), Heavy metals etc..

Answer / hardik patel

diff.b/w validation & calibration

What is the difference between ROI & sulphates ash?

1 Answers  

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What is (Q) point dissolution?

6 Answers   Cipla, Macleods,

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why we measure PH of a solution in PH only why not POH ?

1 Answers   Stellence Pharm Science,

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How to fix the sample concentration in related substances development.

3 Answers   Novartis, Watson Pharmaceuticals,

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WHY given much noise PDA dector then VWD Dector

0 Answers  

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Why dissolution apparatus having 8 jars ?

5 Answers  

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what is mean by extactable and leachable study?

0 Answers  

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One pH means how much volts and milivolts?

7 Answers   Dr Reddys,

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Difference between standard operating procedure and standard test procedures in pharmaceutical industry

2 Answers  

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how do start hplc method development? how much sample required for developing the method development?

3 Answers   BMS, Cipla, Indoco Remedies, Sun Pharma,

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How long we can use hygroscopic reference standard in terms of water absorb.I mean in line with respective monograph's specification or more than that?

1 Answers  

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what are risk assement in the analytical qbd?

0 Answers  

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