Why we use uracil and caffeine in hplc calibration

Answer Posted / naveen

both are primary standards with high purity and have known wavelength maximum. So, can be used for calibration of HPLC.

Is This Answer Correct ?    22 Yes 6 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

why require to add enzymes in capsules dissolution only? is it require to tablet also?

265


please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

1098


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?

1788


what is the structure of DOWEX-50

4923


if you have given one product then how you determine the impurity in that?

286






why digestion require in icpms?

303


what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?

9437


Colorimtry

1173


identification is for unknown? qualification for known? reporting for LOQ?

283


we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1356


what is mean by 40 in the dissolution basket mesh size?

289


how many types of balance calibration test?

1724


How can I develope method of dissolution by HPLC OR UV

1893


what is partion and column chromatography

1819


what is mean by dissolution biowaiver study?

326