Solid-Phase Extraction of Antipyrine Dye for Spectrophotometric Determination of Phenolic Compounds in Water
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- MORITA Emi
- Department of Risk Management and Environmental Sciences, Graduate School of Environment and Information Sciences, Yokohama National University
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- NAKAMURA Eiko
- Course of Environmental Science, Faculty of Education and Human Sciences, Yokohama National University
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In order to determine phenolic compounds in water, we propose a method based on the reaction of phenolic compounds with 4-aminoantipyrine in the presence of peroxodisulfate at pH 10 to form antipyrine dye and the solid-phase extraction of dye with a Varian Bond Elut Plexa cartridge. Dye collected on the cartridge is eluted with acetonitrile and the absorbance is measured at 475 nm. In our experiments, recovery ratios of >90% were obtained for phenol, o-aminophenol, m-aminophenol, o-methoxyphenol, m-methoxyphenol, p-methoxyphenol, o-cresol, m-cresol, o-chlorophenol, m-chlorophenol, p-chlorophenol, 2,5-dimethylphenol, and 2,4-dichlorophenol. The calibration curve obeyed Beer’s law in the range 0 – 0.30 μg ml−1 phenol. The precision of repeated tests (n = 4) was 1.7% of the phenol solution (0.10 μg ml−1); the detection limit was 0.0011 μg ml−1. Recovery tests using river water, waste water, and sewage influent gave highly satisfactory results.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 27 (5), 489-, 2011
社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679237657344
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- NII論文ID
- 10028288620
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- NII書誌ID
- AA10500785
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- ISSN
- 13482246
- 09106340
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- NDL書誌ID
- 11067885
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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