(i) Calculate the capacity factors (k') for both compounds A and B and the selectivity factor (a) between them, commenting on the values. (ii) Calculate the resolution between A and B and comment on it. (iii) Using the peak for A, calculate the number of theoretical plates for the GC column and comment on the quality of the column. A solution containing an equal parts (by weight) mixture of two liquids A and Bdissolved in ethanol was analysed by gas chromatography (GC) on a Carbowaxcolumn giving the chromatogram data in the Table below (retention time of anunretained solute was 1.2 min):Compound Retention time(min)9.5011.5ABBaseline width (min)0.350.45Integration25005000

Given: retention time, baseline width, integration of compounds A and B and the retention time of…

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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(i) Calculate the capacity factors (k') for both compounds A and B and the selectivity factor (a) between them, commenting on the values.
(ii) Calculate the resolution between A and B and comment on it.
(iii) Using the peak for A, calculate the number of theoretical plates for the GC column and comment on the quality of the column.

A solution containing an equal parts (by weight) mixture of two liquids A and B
dissolved in ethanol was analysed by gas chromatography (GC) on a Carbowax
column giving the chromatogram data in the Table below (retention time of an
unretained solute was 1.2 min):
Compound Retention time
(min)
9.50
11.5
A
B
Baseline width (min)
0.35
0.45
Integration
2500
5000

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