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

Answer Posted / k.rajasekhara reddy

It is different wavelengths two maxima and one minima wavelengths 204, 272,245nm. this is no degradation due to environmental factors easily available and low cost in market

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample

2546


what is %labelled amount in content uniformity of dosage unit and its calculation?

4635


when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

1526


HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.

1740


IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?

1995






if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

280


in which situation ion pair require to use?

281


in stress study if your api not soluble in hcl naoh h2o2 then what require to do?

342


How require to perform linearity as per ANVISA? What are the acceptance criteria?

730


4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations

2167


how to qualify the impurity?

328


In IR spectra, generally a molecule vibrates without apply emr or ir light?

1441


How you develop a method in HPLC?

2085


How will u perform degradation study in detectors other thann PDA in HPLC Methodology

2024


In Assy by potentio metry titration method how select MET U ,DET U, SET U,

1318