What is excipient in drug product?

1 Answers   Lupin,

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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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defination of wavelength & wave number

4 Answers  

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What is the difference between void volume and delay volume in HPLC?

3 Answers  

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what is assay in hplc

3 Answers  

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How will you select mobile phase in HPLC Method Development

4 Answers  

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what does optical rotation and specific rotataion means,difference between them

8 Answers   CPL, Neuland,

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why in uv we take k value less than 1

2 Answers  

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why we are taking 85 ml of concentrated HCl to prepare 1N Solution

4 Answers   SG Phyto Pharma,

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if v use HELIUM & ARGON instead of NITROGEN as a mobile phase what happen in GC SYSTEM ?

5 Answers   Cipla, Reddy Labs,

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define polar and non polar solvent

2 Answers  

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How can you calculate manually "Slope" in pH calibration?

2 Answers   Hetero,

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