When i inject amines and acid on HPLC then which peak will
elut first?

Answer Posted / m.sivalingeswara rao

Elution Order depedands on the polarity of the compound and
with the type of chromatography.Again ,If you choose
Reverse phase/normal phase chromatography, mobile phase
composition ,stationery phase, column oven temperature will
also play key role in deciding the elution order as well as
separation.

Is This Answer Correct ?    7 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space

1784


which are the diffrent batches in the pharmaceuticals?

350


Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc

989


function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

2073


how can give the expiry period and restadardisation of volumetric solution

2056






what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

1806


What is similarity factor and its use in api strength?

801


How to set specification of assay, fisdolution and related substances?

370


about method developement in hplc

1222


how require to interprit the method precision data of hptlc?

301


how you fix the limits of impurities?

387


what is mean by dissolution hydrodynamics?

356


1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

1305


What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

1344


In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?

1462