which pharmacopeoia mentions that caffiene is used as a
standard for HPLC calibration? which other standardscan be
used for the same?
Answer / swathi
caffeine it can be stable and shows different wavelenths .and usp pharmacopeia recommended
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Generally for Normal Phase HPLC,stationary phase is Polar.In place of polar if we take non-polar means what happened & why?
in sampling of raw material which side is pasted sampled labels
in which situation ion pair agent require to use?
Why the same type of columns showing different RT for a single product?
what is concentration of oxygen in U.H.P. grade N2 cylinder
what is the Bracketing & Matrixing.
Why dissolution apparatus having 8 jars ?
How to calculate coreletion coefficient
Is sonication essential in solubility testing of a drug substance?
what is mass spectra ? why it is necessary ?
India is. Under which zone as per QF1.?
4 Answers Acebright, Aurobindo, Gland Pharma,