A mixture of species of A, B, and C is injected into a liquid chromatographic column with length of 20.0 cm. The obtained separation results are listed as follows: Please calculate the selectivity factor for species A and B? Please keep your answer to two decimal places. I would need help with these question and the answer is 1.39 (I don't know how to get it)

Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter18: Raman Spectroscopy
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Problem 18.2QAP
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A mixture of species of A, B, and C is injected into a liquid chromatographic column with length of 20.0 cm. The obtained separation results are listed as follows:

Please calculate the selectivity factor for species A and B? Please keep your answer to two decimal places.

I would need help with these question and the answer is 1.39 (I don't know how to get it)

Species
Retention time (min)
Peak Width at Base (min)
Non-retained
2.8
A
6.1
0.57
В
7.4
0.68
C
12.8
1.05
Transcribed Image Text:Species Retention time (min) Peak Width at Base (min) Non-retained 2.8 A 6.1 0.57 В 7.4 0.68 C 12.8 1.05
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