Immobilized polymeric stationary phases using metalized silica supports.
Immobilized presynthesized polymers on porous metalized (zirconized or titanized) silica particles as new stationary phases with improved chemical stability for RP-HPLC are reviewed. The preparations using different polymers, such as poly(methyloctylsiloxane), poly(methyltetradecylsiloxane), and poly(butadiene), different immobilization steps (gamma radiation, thermal treatment, and microwave radiation), and the chromatographic performances of these phases for polar, apolar, acidic, and basic compounds are discussed. The stability of some of these stationary phases using alkaline mobile phases is also presented.
Faria
Anizio M
AM
Institute of Chemistry, State University of Campinas, Campinas, SP, Brazil.
Jardim
Isabel C S F
IC
Collins
Kenneth E
KE
Collins
Carol H
CH