509770 SFC separation of benzoic and hydroxybenzoic acids

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SFC separation of benzoic and hydroxybenzoic acids

Summary

Type: SFC
Application #: 509770
Detection: detection: UV, 230/430nm
Conditions: benzoic acids: eluent: 6% MeOH with indicated amounts of citric acid in CO2, temperature 40°C hydroxybenzoic acids: eluent: 7.4% methanol containing 0.6% citric acid in CO2, isocratic; temperatur
Authors: Berger T.L.
Source: J.Chromatog. Sci. 28 (1990) 446


Details


Legend: SFC of benzoic acids: 1. benzoic acid, 2. 2-hydroxybenzoic acid, 3. 1,4-benzenedicarboxylic acid, 4. 1,3-benzenedicarboxylic acid, 5. 3-hydroxybenzoic acid, 6. 4-hydroxybenzoic acid, 7. 1,2-benzened