Consider the peaks for caffeine and acetaminophen in the chromatogram below. Fin

Question

Consider the peaks for caffeine and acetaminophen in the chromatogram below.

Find the adjusted retention times and capacity factors for caffeine and acetaminophen and calculate the relative retention.

Measuring w1/2 on the chromatogram, find the number of plates (N1 and N2) and the plate height for these two compounds

Find the resolution of the two peaks.

Using the number of plates (with N calculated from width (w) at baseline), the relative retention (a) and the capacity factors (k?), calculate what the resolution should be.

What fraction of time does caffeine spend in the stationary phase.

Explanation / Answer

adjusted retention times (t

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