Why caffeine as a reference standard used for calibration
of HPLC?
Answer Posted / latif ahmed [ozone pharma,guw
1.caffeine is available in anhydrous form.
2.Shows maxima at two different wavelength ie.205nm & 273nm
3.Cheap & easily available.
| Is This Answer Correct ? | 15 Yes | 2 No |
Post New Answer View All Answers
in which situation ion pair require to use?
Why use only methanol,used determinationof moisture content not use other solvents
For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?
how require to set assay concentration for standard and sample?
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
EXPLAIN THE CALCULATION PART OF AN KF TITRATOR CALIBRATION WITH SUITABLE EXAMPLE
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
how decide the clining method and cleaning method validation require for this perticular products?
How to set analyticl specification for combination products?
why require the ph, buffer during hplc mobile phase?
What is Band broading effect explain
What is split ratio in Gc? Splitless? how requirr to select?
how you start RS method development when for new product?
What is a difference between potency and purity?
How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium