Methanol and Ethanol are separated in a capillary gas chromatography column with retention times of 370s and 385s, respectively and base width of 16.0s and 17.0s on a column 12.0 m long. An unretained air peak occurs at 10.0 s. (a) Calculate number of theoretical plate and plate height of the column using ethanol peak. Calculate the relative retention. Calculate retention factor for each analyte. (b) (c) (Show your Calculation)

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
Chapter26: An Introduction To Chromatographic Separations
Section: Chapter Questions
Problem 26.14QAP
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Methanol and Ethanol are separated in a capillary gas chromatography column with retention
times of 370s and 385s, respectively and base width of 16.0s and 17.0s on a column 12.0 m
long. An unretained air peak occurs at 10.0 s.
(a)
Calculate number of theoretical plate and plate height of the column using ethanol
peak.
Calculate the relative retention.
Calculate retention factor for each analyte.
(b)
(c)
(Show your Calculation)
Transcribed Image Text:Methanol and Ethanol are separated in a capillary gas chromatography column with retention times of 370s and 385s, respectively and base width of 16.0s and 17.0s on a column 12.0 m long. An unretained air peak occurs at 10.0 s. (a) Calculate number of theoretical plate and plate height of the column using ethanol peak. Calculate the relative retention. Calculate retention factor for each analyte. (b) (c) (Show your Calculation)
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