C-18 Stationary Phases Sorbed on Zirconized Silica for Use in HPLC

A new fluorinated stationary phase was prepared through thermal immobilization of poly(methyl-3,3,3-trifluoropropylsiloxane) onto 5 microm Kromasil silica particles. The best conditions of immobilization time and temperature were determined through a central composite design and response surface methodologies. Physical-chemical characterization using solid-state (29)Si NMR measurements, infrared spectroscopy and elemental analysis showed that the immobilization process was effective to promote a coating of the support that corresponds to a monolayer of polymer. The stationary phase presents selectivity for positional isomers and good peak shape for basic compounds.

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A new thermally immobilized fluorinated stationary phase for RP‐HPLC

Maldaner

Jardim

2010

J of Separation Science

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Characterization of zirconized silica supports for HPLC

Faria

Magalhães

Collins

2005

Analytica Chimica Acta

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Rapid method for evaluating reversed-phase high-performance liquid chromatography column stability

Fonseca

Gutiérrez

Collins

et al. 2004

Journal of Chromatography A

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C-18 Stationary Phases Sorbed on Zirconized Silica for Use in HPLC

Cited by 4 publications

References 16 publications

A new thermally immobilized fluorinated stationary phase for RP‐HPLC

A new thermally immobilized fluorinated stationary phase for RP‐HPLC

Characterization of zirconized silica supports for HPLC

Rapid method for evaluating reversed-phase high-performance liquid chromatography column stability

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