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



Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? ..

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

Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? ..

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

Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? ..

Answer / manish

caffeine and urasil solution is more stable at rt and show
multiweve length .

Is This Answer Correct ?    4 Yes 1 No

Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? ..

Answer / rishabh

anthracene and holomium oxide can also used for wavelength accuracy detector

Is This Answer Correct ?    0 Yes 0 No

Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? ..

Answer / mahendra

Because it give dual wavelength absorbance like 245nm 350 nm

Is This Answer Correct ?    5 Yes 12 No

Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? ..

Answer / chemistry

Because uracil And Caffierne Shows The absorbance Range in
245nm And 340nm.

Is This Answer Correct ?    0 Yes 7 No

Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? ..

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

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