Why Urasil and Caffeine use for HPLC wavelength accuracy
calibration. which is most suitable, Why? other than these
which can be used?
Answers were Sorted based on User's Feedback
Answer / hemadri
Because it is stable in any condition . Easily availability in market. It will give sharp peak and run time also less.
| Is This Answer Correct ? | 13 Yes | 3 No |
Answer / suresh polisetti
bcoz these r gives the both abs max & min in the UV Region which means max= 205,273,min=245,
| Is This Answer Correct ? | 10 Yes | 0 No |
Answer / manish
caffeine and urasil solution is more stable at rt and show
multiweve length .
| Is This Answer Correct ? | 4 Yes | 1 No |
Answer / rishabh
anthracene and holomium oxide can also used for wavelength accuracy detector
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / mahendra
Because it give dual wavelength absorbance like 245nm 350 nm
| Is This Answer Correct ? | 5 Yes | 12 No |
Answer / chemistry
Because uracil And Caffierne Shows The absorbance Range in
245nm And 340nm.
| Is This Answer Correct ? | 0 Yes | 7 No |
Answer / gaurav oza
caffeine and urasil does not retain in HPLC. They are
generally used for measuring the dead volume or void volume
, so both are used for calibration of HPLC column
| Is This Answer Correct ? | 2 Yes | 10 No |
In C8,C18....etc have 4&5 etc... microns Columns is there like that how to separate Chiral columns as per Micron size?
How you will select column for HPLC development depends on nature of compound and how it will work explain in brief?
in loss on drying Why follows on constant weight not more than 0.5 mg, any region
How you develop a method in HPLC?
0 Answers CU, Perrigo, Wockhardt,
why we are using benzene, anyline in acetic anhdride assay titration method?
How much area of methanol or other solvent are acceptable in blank (Diluent) of Gas chromatography.
What is the requirement for brazil in the analytical method vslidation comparr to ich?
In GC and HPLC ,how we can decide which of following method will be suitable or use for quantitation of chromatogram at the time of method development. 1.Area Normalisation 2.External standard method 3.Internal standard method
What is shaking level in GC?
for which type of applications gas chromatography is used?
5 Answers Cipla, Flamingo Pharmaceuticals,
what is classification of elemental impurities? what is risk assement in elemental impurities?
What impact analysis required for out of calibration and how to proceed