Page 207 - Applied Pharmacognosy

Evaluation of Column Efficiency Based on
Theoretical Plate Number

❑ If the retention times are ❑ If the peak width is the
the same, the peak width same, the retention time
is smaller for the one is longer for the one with
with the larger the larger theoretical
theoretical plate number. plate number.

N: Large N: Small
N: Large

N: Small

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