I got 88.0 % assay for a drug in HPLC analysis for same injection i got 40.0% related substances is it possible? what is the relation between results of assay and purity?

5 Answers  

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how to qualify the impurity?

0 Answers  

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How to calculate %w/w and %v/v of a component(or solvent)by NMR

1 Answers   ACME, Vimta Labs,

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What is the difference between Spectroscopy and spectrophotometry,What are the applications?

4 Answers   Caplin Point, Cipla,

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What is differences between normality and molarity.in which cases both are used?

1 Answers   GVK,

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Which is the best mobile phase to separate organic acids using C8 column. And how should the samples be prepared for hplc?

1 Answers   Biocon,

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

0 Answers  

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How to develop the method when we have very low amount of impurity?

2 Answers  

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who is the father of HPLC?

6 Answers   Cipla, IPCA,

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Why water not directed by FID detector 

2 Answers   Amoli Organics, Lupin,

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why water content test performed

1 Answers  

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

2 Answers  

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