What is the limit for single maximum impurity limit as per USP??
How do we fix the sample concentaryion in hplc method development?
what is peak purity? how may types of methods to determine peak purity?
which batch require to use for analytical method validation?
if you get peak in blank then what require to do?
If we have 120 minutes run time method for HPLC and you wan to decrease the Run time so what should you do??
In Agilent HPLC calibration using Empower 3 Software, What is the criteria for GPV Baseline starting point? i.e., Either it can start from -0.00/+0.00 or any range is there like -0.05 to +0.05 or ......etc?
Related substance method equivalency on control sample or spiked sample?
USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...
0 Answers Srini Pharmaceuticals,
Dear sir, This is R.Kadambavadani working in a pharma industry. while doing RS analysis of ibuprofen API, unknown peak eluting some times in the 0.6 Min RT. Kindly send me what is the exact reason behind that. also am using ACN the mobile phase.
What is the use of tailing factor ?
what is a placebo peak
2 Answers GMP Pharma, Optimus,
How you will select column for HPLC development depends on nature of compound and how it will work explain in brief?