Answer Posted / ravi kumar
due to the presence of residual silanols on the reverse
phase column which interacts with acids or bases (mostly
bases)cause them to tail
| Is This Answer Correct ? | 19 Yes | 1 No |
Post New Answer View All Answers
why are measure gas flow " ml " in Gas chromatography
in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?
we can use expired sample for validation and analyst qualification?
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?
If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?
before starting analytical method valodation what you checking? and how giving preference to start validation?
in which situation ion pair agent require to use?
[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
why require to do water content for drug product?
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
In the isomers,enantiomers give the only physical properties present such that no chemical properties present.
effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?
inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?
What is the difference between purge septum flow and column flow in gas chromatography?