Why we use caffeine for HPLC calibration in Detector wave
ength accuracy test
- 60 Answers
- 191422 Views
- Arvind, Aurobindo, Cipla, Reddy Labs, Shasun Chemicals, I also Faced
- E-Mail Answers
Answer Posted / kishanpal singh
caffeiene having different wavelents it having 2 maximas
and 1 minima.
1st maxima is 205nm
2nd maxima is 273nm
minima is 245nm
and it is primary reference standard and also suggested in
pharmacopiea.and avialable easly to market
long time store this
| Is This Answer Correct ? | 24 Yes | 2 No |
Post New Answer View All Answers
Loss of linearity in tkn analysis, possible reasons?
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
Difference between the quantitative analysis and qualitative analysis?
sop of a uv visible spectrophotometer double beam elico model
What is column in chromatography?
What is split ratio in Gc? Splitless? how requirr to select?
How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium
in each media we require to use SLS? how to proceed?
What is a difference between potency and purity?
in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?
if identification threshold crosses the limits then what next step?
If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?
why we should take dst factor for below 1%moisture samples
Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
