Why pyrene is also use for calibration if detector
Bcoz. It gives higher absorbance band ,lambda max 373 nm .rather than caffeine. That's why
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how require to fix the linearity and accuracy cincentration range?
Why used 0.02% v/v solution of toluene in hexane for calibration of UV.
who is the father of HPLC?
Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and apperance ? suggest ?
what is difference b/w spectroscopy, Spectrometry and Spectrophotometry ?
Why 1.2% KCl is used for limit of stray light? and why limit of stray light is required in UV calibration?
what is the relation of normality & molarity ? give me formula?
can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?
what is principal of karl ficher instrument!
why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?
why peak purity not considered in GC?
4 Answers DRL, Reddy Labs, Vimta Labs,
Difference between related substances & impurities