Why we use uracil and caffeine in hplc calibration
Answers were Sorted based on User's Feedback
Answer / 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 |
Answer / mahdi
because because sharp absorbance bands and good solution stability of caffeine, this substance used for calibration of UV detector.
| Is This Answer Correct ? | 11 Yes | 2 No |
Answer / mahesh patil
Because caffeine gives two maxima and one minima and it is more stable compound.
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / bharat amipara
Its a stable small difference in temperature and atmosphere variation
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / sridurga
caffine and uracil will detect through out uv region
| Is This Answer Correct ? | 2 Yes | 3 No |
Answer / mahendra vaghela
Both compound are respond on multi wavelength.
| Is This Answer Correct ? | 0 Yes | 1 No |
Why methanol & acetonitrile is mostly used for hplc analysis?
India is. Under which zone as per QF1.?
4 Answers Acebright, Aurobindo, Gland Pharma,
how to convert normal phase hplc to reverse phase and vice versa?
how you start the solubility study?
What is the difference between ROI & sulphates ash?
what is the difference between potentiometric assay and hplc assay
Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?
why has inject 6 injection in Releted compounds
Calculate the water content in Di Sodium Tartrate (DST) based on molecular weight?
What are usp limits for total impurities,unknown impurity
What does theoretical plates number mean?
What is the difference between Normal phase method & Reverse method in HPLC ? Define application of both method.