why we use caffeine for hplc calibration?
Answer Posted / shivashankars,ils,hyd
Caffine is primary standard and Shows maxima at two
different wavelength ie.205nm & 273nm and Cheap & easily
available
| Is This Answer Correct ? | 10 Yes | 1 No |
Post New Answer View All Answers
Which parameter require to do for analytical method equivalency?
in api coa contains only process impurities and in product coa contains degradation impurities?
For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?
What is the diffrence in japan mkt requirement in analytical method validation over US?
how we can identify the impurity is coming below loq at transfering site?
What is stray light in uv what are units for stray light
if you have given one product then how you determine the impurity in that?
How will u perform degradation study in detectors other thann PDA in HPLC Methodology
Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
How much is the standard area for glc analysis
which are the diffrent batches in the pharmaceuticals?
for which product require to do content uniformity? what is limit of cu?
please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development
What is the difference between spectro meter and spectro photo meter?
IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?