In which situation we require to analytical method validation of excipient?
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what is stability study ? why it is needed and how itis done
differance between L1 and L7 columns
what is pKa ?
10 Answers Dr Reddys, Shasun Chemicals,
why we are calibrating autopolarimeter with quartz control plates
why reference flow required during hplc analysis on rid?
Why we perform the ir analysis?
In Analytical method development related substance method when did follow w/w method when did follow area normalisation method
2 Answers Dr Reddys, Sun Pharma,
what are the sources in ELSD,PDA, RI and UV Detectors?
what is hold time in Gc?
why equlirium conatant of water have 14 value
What is differences between normality and molarity.in which cases both are used?
why we get negative values in uv when i placed sample which has some concetration but not in standard