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Type: Artigo de evento
Title: Microwave-immobilized Polybutadiene Stationary Phase For Reversed-phase High-performance Liquid Chromatography
Author: Lopes N.P.
Collins K.E.
Jardim I.C.S.F.
Abstract: Polybutadiene (PBD) has been immobilized on high-performance liquid chromatography (HPLC) silica by microwave radiation at various power levels (52-663W) and actuation times (3-60min). Columns prepared from these reversed-phase HPLC materials, as well as from similar non-irradiated materials, were tested with standard sample mixtures and characterized by elemental analysis (%C) and infrared spectroscopy. A microwave irradiation of 20min at 663W gives a layer of immobilized PBD that presented good performance. Longer irradiation times give thicker immobilized layers having less favorable chromatographic properties. © 2003 Elsevier B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/j.chroma.2003.09.029
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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