M. Evans, C. Pearmain
Apr 1, 1991
Citations
0
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Citations
Journal
Chromatographia
Abstract
SummaryAs an extension of previous work on the deactivation of diatomaceous supports by hydroxy compounds, 4-hydroxy-3,5-di-tert-butylbenzyl alcohol (HBBA) has been evaluated as a potential combined antioxidant tail-reducer. In contrast to diglycerol and the lower molecular weight polyoxyethylene glycols, HBBA is found to be an inefficient tail-reducer. The adsorption of HBBA from solution onto the surface of Phasesep P has been studied and possible explanations for the apparent lack of surface deactivation are offered. A reversed-phase high-performance liquid chromatographic assay for HBBA has been developed and used to monitor the adsorption of HBBA.