Chemical modification of silica surface by immobilization of functional groups for extractive concentration of metal ions

PK Jal, S Patel, BK Mishra - Talanta, 2004 - Elsevier
Increased utilization of mechanically stable synthetic matrices particularly silica gel as a
solid support and its surface modification either by impregnation of organic ligands directly …

Complexing and chelating agents immobilized on silica gel and related materials and their application for sorption of inorganic species

JF Biernat, P Konieczka, BJ Tarbet… - Separation and …, 1994 - Taylor & Francis
Solid materials bearing bonded organic functional groups are reviewed. The properties of
the oxide supporting materials, silica gel in particular, their chemical and physical properties …

Functionalized silica for heavy metal ions adsorption

L Bois, A Bonhommé, A Ribes, B Pais, G Raffin… - Colloids and Surfaces A …, 2003 - Elsevier
Heavy metals adsorbents were prepared by co-condensation of tetraethoxysilane and
functionalized trialkoxysilane RSi (OR′) 3. Functionalized porous silicas with aminopropyl …

Preparation of the hydrophilic/hydrophobic silica particles

T Jesionowski, A Krysztafkiewicz - Colloids and Surfaces A …, 2002 - Elsevier
Silicas of high dispersion degree were obtained. The process included formation of silica
particles and their aggregation. Glycerin solution was used in precipitation process, resulting …

Attachment of 2-aminomethylpyridine molecule onto grafted silica gel surface and its ability in chelating cations

JAA Sales, FP Faria, AGS Prado, C Airoldi - Polyhedron, 2004 - Elsevier
A route for incorporating the chelate molecule, AMP, onto silica gel was established. In the
first stage a precursor silylant agent, 3-chloropropyltrimethoxysilane, is reacted with the …

Chelating sorbents based on silica gel and their application in atomic spectrometry

M Zougagh, JM Cano Pavon… - Analytical and …, 2005 - Springer
This mini-review covers chelating sorbents anchored to silica gel and their analytical
applications for the preconcentration, separation and determination of trace metal ions …

Influence of silane coupling agents on surface properties of precipitated silicas

T Jesionowski, A Krysztafkiewicz - Applied Surface Science, 2001 - Elsevier
Silicas of highly dispersion degree were obtained. This process includes formation of silica
particles and their aggregation. The ethylene glycol solution was used in precipitation …

Adsorption of dyes on a silica surface

A Krysztafkiewicz, S Binkowski, T Jesionowski - Applied surface science, 2002 - Elsevier
Adsorption of several organic dyes was examined on a modified silica surface. For this
purpose, EG-Silica was applied, precipitated from sodium metasilicate solution using carbon …

Modified silicas for clean technology

PM Price, JH Clark, DJ Macquarrie - Journal of the Chemical Society …, 2000 - pubs.rsc.org
A wide variety of novel materials can be prepared through the chemical modification of silica
gels with organic and inorganic functionalities. In addition to their use in chromatographic …

Silylation of the silica surface a review

PV Der Voort, EF Vansant - Journal of liquid chromatography & …, 1996 - Taylor & Francis
Silylated silica surfaces have found many applications in the field of analytical chemistry
(HPLC, Ion Exchange Chromatography, Size Exclusion Chromatography, GC), synthetic …