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Spectrophotometric determination of copper(II) with o-bromophenylfluorone.

作者信息

Yamaguchi Takako, Samma Megumi, Kamino Shinichiro, Matsushita Momoka, Hashimoto Tomoyuki, Fujita Yoshikazu

机构信息

Osaka University of Pharmaceutical Sciences, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan.

出版信息

Anal Sci. 2009 Dec;25(12):1457-60. doi: 10.2116/analsci.25.1457.

DOI:10.2116/analsci.25.1457
PMID:20009334
Abstract

A simple, reliable and sensitive spectrophotometric method for the determination of copper(II) was established with o-bromophenylfluorone (OBPF), a novel chemical probe, in the presence of poly(N-vinylpyrrolidone). Beer's law was obeyed in the range of 8-160 ng ml(-1), with an apparent molar absorptivity at 570 nm, the relative standard deviation being 3.64 x 10(5) dm3 mol(-1) cm(-1) and 0.72% (n = 5). This method was applied to the recovery tests of copper(II) in human urine, bovine serum and tap water; the results were satisfactory.

摘要

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