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Temperature and pressure effects in supercritical-fluid chromatography

✍ Scribed by M. Novotny; W. Bertsch; A. Zlatkis

Book ID
104144061
Publisher
Elsevier Science
Year
1971
Tongue
English
Weight
940 KB
Volume
61
Category
Article
ISSN
1873-3778

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✦ Synopsis

In the search for a suitable programming teclrnique, the effects of pressure and temperature in supercritical-fluid chromatography were studied. Both pressure and inverse temperature programming can be used to influence the retention characteristics. The selectivity of separation can further be controlled by a "moderator". Values of height equivalent to a theoretical plate for model compounds were measured within a wide range of operating conditions and correlated with pressure drop measurements. The results suggest that a compromise between the particle size and pressure drop is necessary.

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