Why we use caffeine for HPLC calibration in Detector wave
ength accuracy test
- 60 Answers
- 187839 Views
- Arvind, Aurobindo, Cipla, Reddy Labs, Shasun Chemicals, I also Faced
- E-Mail Answers
Answer Posted / ajay chansoriya
caffeine having different wavelengths,
1st maxima is 205nm
2nd maxima is 273nm
minima is 245nm
and it is primary reference standard and also suggested in
pharmacopiea.and available easily to market.
Cost is very less, and can be store for long time.
Ajay Chansoriya
Alembic Pharmaceuticals
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
why multimedia dissolution require to do?
What should be the level/ Percentage of Arsenic in Arsenic free zinc.
why cone formation during dissolution?
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?
How to calibration of the uv spectroscopy and its test?
how you confirm the assay method?
analytical method validation require to with respect to release specification or shelf life specification?
WHY given much noise PDA dector then VWD Dector
what is %labelled amount in content uniformity of dosage unit and its calculation?
if peak get problamatic then what require to do?
pharma industries oriented
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?
if you have given one product then how you determine the impurity in that?
Tell me about analytical method validation in QC
what is biorelivent dissolution media?
