Abstract
This work focuses on the separation and identification of p-tert butyl calix[4]arene derivatives. An isocratic mixture of 65% (v/v) acetonitrile and 35% (v/v) water with 0.1% (v/v) phosphoric acid was used as the mobile phase. A Bio-Rad Bio-Sil ODS-5S (250 mm×4 mm) column was used as the stationary phase with UV detection of the analytes at 274 nm. The reversed-phase high performance liquid chromatographic method which was developed provided baseline separation of five p-tertbutyl calix[4]arene derivatives in twenty minutes.
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