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A Synthetic Methodology for Preparing Impregnated and Grafted Amine-Based Silica Composites for Carbon Capture
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A Synthetic Methodology for Preparing Impregnated and Grafted Amine-Based Silica Composites for Carbon Capture

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Amine-impregnated silica monolith with a hierarchical pore structure: enhancement of CO2 capture capacity

Chao Chen1, Seung-Tae Yang, Wha-Seung Ahn

  • 1Department of Chemical Engineering, Inha University, Incheon 402-751, Korea. whasahn@inha.ac.kr.

Chemical Communications (Cambridge, England)
|June 13, 2009
PubMed

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Silica Gel Column Chromatography: Overview01:10

Silica Gel Column Chromatography: Overview

Silica gel column chromatography is a technique for separating compounds using a column packed with silica gel as the stationary phase. This method relies on differences in the polarity of compounds. Based on their polarities, compounds move between the stationary phase (silica gel) and the mobile phase (the solvent), forming discrete bands in the column.
Polar components tend to bind strongly to the silica gel, causing them to move slowly through the column. In contrast, nonpolar compounds...