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Type: Artigo de periódico
Title: Effects In High-performance Liquid Chromatography Of A High Ph In The Mobile Phase On Poly(methyloctylsiloxane) Immobilized By Gamma-radiation On Titanium-grafted Silica.
Author: Silva, R B
Collins, K E
Collins, C H
Abstract: Effects of high-pH environments on a stationary phase prepared by gamma-radiation immobilization of poly(methyloctylsiloxane) on titanium-grafted silica were investigated by HPLC testing with standard sample mixtures. The HPLC parameters indicate good stationary phase stability to 10000 column volumes each of mobile phases with pH of 7, 9 and 12. At pH 13, the efficiency decreases slowly, although reasonably good separations are still possible until increasing flow resistance no longer allows easy passage of the mobile phase.
Subject: Chromatography, High Pressure Liquid
Gamma Rays
Hydrogen-ion Concentration
Silicon Dioxide
Citation: Journal Of Chromatography. A. v. 869, n. 1-2, p. 137-41, 2000-Feb.
Rights: fechado
Identifier DOI: 
Date Issue: 2000
Appears in Collections:Unicamp - Artigos e Outros Documentos

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