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Removal of BPA model compounds and related substances by means of column chromatography using Octolig®
Octolig®, a polyethylenediimine ligand covalently attached to high-surface area silica gel, was used to study the removal of phenolic compounds from aqueous samples by column chromatography. Model phenolic compounds of Bisphenol A (BPA), 4-isopropylphenol and 4-(t-butyl) phenol, were selected for this study due to their similarities in pKa and log P values. The percent removal of these compounds by Octolig® was 26 ± 2 and 22 ± 2, respectively. Furthermore, the three isomers of nitrophenol were investigated as well as additional phenolic compounds, such as amoxicillin and five phenolic dyes. These compounds have a pKa range of 2–10.2. The compounds that have pKa values less than 8.3 were able to be completely removed by Octolig®, yet compounds with pKa values of 8.3 and higher resulted in approximately 20–26% removal.
Removal of BPA model compounds and related substances by means of column chromatography using Octolig®
Octolig®, a polyethylenediimine ligand covalently attached to high-surface area silica gel, was used to study the removal of phenolic compounds from aqueous samples by column chromatography. Model phenolic compounds of Bisphenol A (BPA), 4-isopropylphenol and 4-(t-butyl) phenol, were selected for this study due to their similarities in pKa and log P values. The percent removal of these compounds by Octolig® was 26 ± 2 and 22 ± 2, respectively. Furthermore, the three isomers of nitrophenol were investigated as well as additional phenolic compounds, such as amoxicillin and five phenolic dyes. These compounds have a pKa range of 2–10.2. The compounds that have pKa values less than 8.3 were able to be completely removed by Octolig®, yet compounds with pKa values of 8.3 and higher resulted in approximately 20–26% removal.
Removal of BPA model compounds and related substances by means of column chromatography using Octolig®
Alessio, Rachael J. (author) / Li, Xiao (author) / Martin, Dean F. (author)
Journal of Environmental Science and Health, Part A ; 47 ; 2198-2204
2012-12-01
7 pages
Article (Journal)
Electronic Resource
English
BPA , polycarbonates , Octolig® , chromatography , phenols
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