why the same column give different retention time in hplc?
Answer Posted / phanindra
I think it is due to contamination of HPLC column remedy is column kept for wash with 100%polar solvent.
| Is This Answer Correct ? | 0 Yes | 6 No |
Post New Answer View All Answers
Colorimtry
Difference between hlaf and rlaf
how many types of balance calibration test?
what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?
we can use expired sample for validation and analyst qualification?
What is intact assay method development.....?
why cone formation during dissolution?
if peak get problamatic then what require to do?
If combination product how require to identify which imp is of which api?
why require the ph, buffer during hplc mobile phase?
what is diffrence between specificity and selecivity?
Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
How to calculate coreletion coefficient
WHY given much noise PDA dector then VWD Dector
If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?