通过固定在玻璃上的聚吡啶配合物对水相和有机介质中百万分之一水平的Cr(6+)进行选择性光学识别和定量分析。
Selective optical recognition and quantification of parts per million levels of Cr(6+) in aqueous and organic media by immobilized polypyridyl complexes on glass.
作者信息
de Ruiter Graham, Gupta Tarkeshwar, van der Boom Milko E
机构信息
Department of Organic Chemistry, The Weizmann Institute of Science, Rehovot 76100, Israel.
出版信息
J Am Chem Soc. 2008 Mar 5;130(9):2744-5. doi: 10.1021/ja7110527. Epub 2008 Feb 8.
PMID:18257573
Abstract
Selective optical sensing of parts per million levels of Cr(6+) in water under acidic conditions with robust, osmium-chromophore-based monolayers is demonstrated. The sensor system can be reset by washing with water at neutral pH and can be readily monitored by UV/vis spectroscopy.
摘要
结果表明，基于锇发色团的坚固单层膜能够在酸性条件下对水中百万分之一水平的六价铬进行选择性光学传感。该传感器系统可通过在中性pH值下用水冲洗进行重置，并且可以通过紫外/可见光谱轻松监测。
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