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Type: Artigo de evento
Title: Preparation Of A Polybutadiene Stationary Phase Immobilized By γ Radiation 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 HPLC silica by γ radiation doses in the range from 5 to 180 kGy. Columns prepared from these reversed-phase 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 low dose of 5 kGy is sufficient to produce a layer of immobilized PBD which functions as an efficient and stable stationary phase. Higher doses give thicker immobilized layers having less favorable chromatographic properties. © 2002 Elsevier Science B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/S0021-9673(02)01658-8
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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