The lower chromatogram has a shorter run time because: D 3000- 2500- 2000- 1500- 1000- 500- 0 3000- 2500 2000 1500 1000 500- 10 min. The upper chromatogram was obtained under constant flow conditions The carrier pressure is increased to maintain constant flow during the temperature program O The carrier flow increases as the oven temperature increases O The upper chromatogram was obtained at a lower isothermal oven temperature Constant pressure GC separation 20 min. Constant flow GC separation
The lower chromatogram has a shorter run time because: D 3000- 2500- 2000- 1500- 1000- 500- 0 3000- 2500 2000 1500 1000 500- 10 min. The upper chromatogram was obtained under constant flow conditions The carrier pressure is increased to maintain constant flow during the temperature program O The carrier flow increases as the oven temperature increases O The upper chromatogram was obtained at a lower isothermal oven temperature Constant pressure GC separation 20 min. Constant flow GC separation
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 26.1QAP
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