Which statements are true for molecular exclusion chromatography?I Molecular exclusion chromatography separates on the basis of size.II Small molecules can fit in the pores of the stationary phase and effectively pass through a larger volume, and elute last.III The pores in the stationary phase are too small for large molecules to pass through, so large molecules elute first.IV Molecular exclusion chromatography with a hydrophilic stationary phase and an aqueous solvent is called gel permeation chromatography. A. I, II, III B. III and IV C. II only D. I and II only E. I, III, and IV
Which statements are true for molecular exclusion chromatography?I Molecular exclusion chromatography separates on the basis of size.II Small molecules can fit in the pores of the stationary phase and effectively pass through a larger volume, and elute last.III The pores in the stationary phase are too small for large molecules to pass through, so large molecules elute first.IV Molecular exclusion chromatography with a hydrophilic stationary phase and an aqueous solvent is called gel permeation chromatography. A. I, II, III B. III and IV C. II only D. I and II only E. I, III, and IV
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
Chapter28: High-performance Liquid Chromatography
Section: Chapter Questions
Problem 28.7QAP
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Which statements are true for molecular exclusion chromatography?
I Molecular exclusion chromatography separates on the basis of size.
II Small molecules can fit in the pores of the stationary phase and effectively pass through a larger volume, and elute last.
III The pores in the stationary phase are too small for large molecules to pass through, so large molecules elute first.
IV Molecular exclusion chromatography with a hydrophilic stationary phase and an aqueous solvent is called gel permeation chromatography.
I Molecular exclusion chromatography separates on the basis of size.
II Small molecules can fit in the pores of the stationary phase and effectively pass through a larger volume, and elute last.
III The pores in the stationary phase are too small for large molecules to pass through, so large molecules elute first.
IV Molecular exclusion chromatography with a hydrophilic stationary phase and an aqueous solvent is called gel permeation chromatography.
A. I, II, III
B. III and IV
C. II only
D. I and II only
E. I, III, and IV
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