Surface Imprinting of Silica Gel by Methyldopa and Its Application in the Solid Phase Extraction Procedure Mohammad Taghi Vardini and Leila Mardani

Abstract: The performance of silica gel, modified by the impregnation with a high molecular weight quaternary amine (triethyl octadecyl ammonium iodide), used for the concentration

Adsorption of hidrogen peroxide on the surface of silica – titania mixed oxide obtained by the sol-gel processing method.. SEM and EDS images show, within magnification used, a

Based on these overall results, the combined effect of silica-gel as solid-phase and acetonitrile as elution solvent makes this extraction procedure suitable for

A method for the determination of cadmium by flame atomic absorption spectrometry (FAAS) after its preconcentration onto a column containing silica gel modified with cupferron

The present paper deals with the reaction of oxidative dimerization of the H[Ru(III)Cl 2 (H 2 EDTA)].4.5 H 2 O complex on the surface of silica gel functionalized (SF) with

The combined organic extracts were washed with 20 mL of brine, dried over anhydrous Na 2 SO 4 , and concentrated in vacuo to give a yellow solid which was purified by silica gel

An innovative series of silica-based hybrid materials containing pendant cationic ammoniumpropyl groups was obtained using the sol-gel method, by varying the molar ratio

A solvent-free procedure for tetrahydropyranylation of alcohols and thiols based on a simple grinding of the reagents in the presence of silica gel and catalytic amounts of