How can the GC or HPLC method is selected to determine the impurity profile in drug product?

1 Answers   Ajanta,

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How did you conclude that when stressing a compond, all degradation products have eluted in chromatogram?

7 Answers   Matrix,

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which pharmacopeoia mentions that caffiene is used as a standard for HPLC calibration? which other standardscan be used for the same?

1 Answers   Hetero, Mylan,

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what is polarity and how to calculate

2 Answers   Reddy Labs,

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in calibration of disintegration test apparatus why cycle limit is 28-32?

2 Answers   Caplin Point,

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In method developement or in any analysis if we use small length column for analysis what happen then ? why ?

3 Answers  

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What is Fourier Transform Spectrosopy?

5 Answers   Aurobindo, Hetero, Lupin,

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in hplc chromatogram started from left to right and in uv spectrum started from left to right

0 Answers  

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How to calibrate glassware against std calibrated glassware?

3 Answers   Cadila, Hetero,

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What is the difference between the working standard and reference standard?

1 Answers  

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Defination of ZEEMAN EFFECT in NMR ?

2 Answers  

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what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?

1 Answers   GVK, Millennium,

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