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Type: Artigo de periódico
Title: High-performance Liquid Chromatographic Stationary Phases Based On Poly(methyloctylsiloxane) Immobilized On Silica. Iii. Stability Evaluations.
Author: Tonhi, Edivan
Collins, Kenneth E
Collins, Carol H
Abstract: Several reversed-phase materials for high-performance liquid chromatography were obtained by deposition of poly(methyloctylsiloxane) (PMOS) on HPLC silica particles, followed by immobilization using different procedures. Each phase had characteristic physicochemical and chromatographic properties. The present work evaluates the stability of these phases with both neutral and basic mobile phases. All of the stationary phases were quite stable to neutral mobile phase, with less stability at higher pH. However, one thermally immobilized phase presented high stability even at an elevated temperature with a pH 10.0 mobile phase.
Subject: Chromatography, High Pressure Liquid
Microscopy, Electron, Scanning
Silicon Dioxide
Citation: Journal Of Chromatography. A. v. 987, n. 1-2, p. 93-101, 2003-Feb.
Rights: fechado
Identifier DOI: 
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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