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Column efficiency comparison with supercritical fluid carbon dioxide versus methanol-modified carbon dioxide as the mobile phase

✍ Scribed by Ashraf-Khorassani, M.; Shah, S.; Taylor, L. T.

Book ID
126919552
Publisher
American Chemical Society
Year
1990
Tongue
English
Weight
445 KB
Volume
62
Category
Article
ISSN
0003-2700

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πŸ“œ SIMILAR VOLUMES

Formic acid modified carbon dioxide as a
Formic acid modified carbon dioxide as a mobile phase in capillary supercritical fluid chromatography
✍ Jeffrey A. Crow; Joe P. Foley πŸ“‚ Article πŸ“… 1991 πŸ› John Wiley and Sons 🌐 English βš– 819 KB

A small percentage (0.3 % w/w) of formic acid was added to supercritical carbon dioxide to increase mobile phase polarity and improve separation of polar solutes on three different commercially available capillary columns. Formic acid reduced retention and altered selectivity for several polar compo