questioon f only The figure below shows a portion of a GC chromatogram for a mixture of two aromaticcompounds labeled A and B. The separation employed a 2.50 meter packed column underisothermal conditions (90 °C) and a flow rate of 10 mL/min.(a)(b)(c)(d)(e)(f)Detector Signal300.0250.0200.0150.0100.050.00.01.0Unretained1.21.5time (min)Find the retention times for A and B.Find the times that components A and B spend in the stationary phase.Calculate the retention factors for each peak.Calculate the selectivity factor for the separation of A and B.Find the full widths of each peak.Calculate the resolution of the two peaks.

To calculate the resolution of 2 peaks from one another. This is given by the formula: Resolution of…

The figure below shows a portion of a GC chromatogram for a mixture of two aromatic compounds labeled A and B. The separation employed a 2.50 meter packed column under isothermal conditions (90 °C) and a flow rate of 10 mL/min.

The figure below shows a portion of a GC chromatogram for a mixture of two aromatic compounds labeled A and B. The separation employed a 2.50 meter packed column under isothermal conditions (90 °C) and a flow rate of 10 mL/min.

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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Question

questioon f only

The figure below shows a portion of a GC chromatogram for a mixture of two aromatic
compounds labeled A and B. The separation employed a 2.50 meter packed column under
isothermal conditions (90 °C) and a flow rate of 10 mL/min.
(a)
(b)
(c)
(d)
(e)
(f)
Detector Signal
300.0
250.0
200.0
150.0
100.0
50.0
0.0
1.0
Unretained
1.2
1.5
time (min)
Find the retention times for A and B.
Find the times that components A and B spend in the stationary phase.
Calculate the retention factors for each peak.
Calculate the selectivity factor for the separation of A and B.
Find the full widths of each peak.
Calculate the resolution of the two peaks.

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