𝔖 Bobbio Scriptorium
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Importance of molecular shape in supercritical fluid chromatography using a porous glassy carbon adsorbent stationary phase

✍ Scribed by William C. Larkins Jr; Susan V. Olesik

Book ID
102945790
Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
737 KB
Volume
5
Category
Article
ISSN
1040-7685

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✦ Synopsis

Abstract

The effect of a solute's shape on retention using porous glassy carbon (PGC) as a stationary phase in supercritical fluid chromatography (SFC) is described. A series of stilbene and stilbene‐like molecules that have similar solvatochromic parameters but markedly different three dimensional configurations was used to explore the possible effects of molecule shape on PGC adsorption. The extent of π‐π interactions between the solutes (stilbene and stilbene‐like molecules) and the carbon surface was predominately controlled by the three‐dimensional shape of the solutes. In every case the planarity of the solute correlated with the retention of the solute.

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