Why we use caffeine for HPLC calibration in Detector wave
ength accuracy test

Answer Posted / nandkishor (dr reddys lab

because caffiene and Erbium perchlorate also, are detected
in both uv and visible range

Is This Answer Correct ?    2 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is split ratio in Gc? Splitless? how requirr to select?

325


what is third integration

1498


what type of question will ask in the interview of lab chemist.

2893


if rsd failed then what require to do?

326


why we are using hexane in calibration of number of drop per mL

1172






Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?

305


[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

313


USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

1558


how will you do the prep for unstable componds?

1441


how to decide for one product require water content or LOD?

329


WHY pKa value is more important than pH value of the mobile phase in HPLC?

1261


please explain about aluminium hydroxide assay

709


if instrument calibration fails then what require to do?

470


Why are use silicon oil mr?

749


for inorganic molecules require to do RS, Assay and disso?

249