Silica and silica–titania sol–gel materials: Synthesis and analytical application

Abstract

This review describes last decade progress in the synthesis of sol–gel materials with analytically relevant properties and their application for the determination of metal ions, non-metal and organic compounds. The following types of materials are discussed: silica sol–gel materials doped with various analytical reagents, organofunctional silica sol–gel materials, and silica titania sol–gel materials. The variety of obtained materials allows their application for a wide range of analytical systems: electrochemical sensors, solid phase spectrophotometrical and SIA determination, and also for test determination including the employment of “length-of-stain” indicator tubes. This review surveys the results of studies on mentioned above subjects and summarizes the works accomplished in the field by author's team in Moscow State University.