Why we use caffeine for HPLC calibration in Detector wave
ength accuracy test
Answer Posted / manikyam
It will give maxima at 273nm and 205nm and also give minima at 245nm. caffeine fastely ellute in any mobilephase like water or methanol.
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
in api coa contains only process impurities and in product coa contains degradation impurities?
WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY
How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.
in OSD forms require to use gas chromatography?
WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE
Please give idea about method development for cleaning method and how maco level establish
how many types of balance calibration test?
What is the main difference between ODS1 and ODS2 Hplc column.
what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.
if content uniformity passing but dissolution varrying then what is next step?
why salisylic acid not using now days for disdolution calibration?
how require to interprit the method precision data of hptlc?
what is partion and column chromatography
[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?
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?