Preparation and evaluation of zirconia-coated silica monolith for capillary electrochromatography
β Scribed by Z.-G Shi; Y.-Q Feng; L Xu; M Zhang; S.-L Da
- Book ID
- 116900425
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 202 KB
- Volume
- 63
- Category
- Article
- ISSN
- 0039-9140
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A novel silica monolithic stationary phase functionalized with octadecanethiol gold nanoparticles (GNPs) was prepared for capillary electrochromatography (CEC). The bare silica monolith was prepared by a sol-gel process and then modified chemically with 3-mercaptopropyltrimethoxysilane, followed by
## Abstract Fusedβsilica capillaries were packed with porous 1 ΞΌm bare silica microspheres and immobilized by potassium silicateβformamide in order to obtain columns with silicaβbased monolithic packing. After curing, the particleβfixed monolithic columns were octadecylated __in situ__ with dimethy