高速液体クロマトグラフ／蛍光検出法によるノニルフェノールエトキシレートおよびその生分解生成物の一斉分析

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タイトル別名
  • Simultaneous Determination of Nonylphenol Polyethoxylates and their Biodegradation Products by High-Performance Liquid Chromatography with Fluorophotometric Detection
  • コウソク エキタイ クロマトグラフ ケイコウ ケンシュツホウ ニ ヨル ノニルフェノールエトキシレート オヨビ ソノ セイブンカイ セイセイブツ ノ イッセイ ブンセキ

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The widespread use of and the water pollution by nonylphenol polyethoxylates (NPnEs) have shown the need for the development of analytical procedure of NPnEs and their biodegradation products, nonylphenol polyethoxy acetic acids (NPnECs) . A method has been developed to isolate, concentrate and determine trace levels of NPnEs and NPnECs from river water samples. They were extracted with Bond Elut C18 reversed-phase minicolumn and quantified by high-performance liquid chromatography (HPLC) with fluorophotometric detection using Inertsil Ph column and eluent of 5 mM-CH3OOONH4in CH3OH/H2O (65/35) . This method can determine trace levels of each homologue of NPnEs and NPnECs, simultaneously, simply, rapidly and sensitively and minimize the risk of contamination. This method showed the limit of determination for each homologue of approx. 0.2-1.8μg/l the recovery for NPnEs and NPnECs of 84-95% at 10μg/l and the reproduceability of 2-6% of relative standard deviation for five-replicated analysis.<BR>This proposed method was employed for the determination of NPnEs and NPnECs in river water samples in Kanagawa and Tokyo, Japan. Concentration ranges between tr and 9.9μg/l for NPnECs and between nd and 5.1μg/l for NPnEs were found in Kanagawa. The high concentrations of NPnEs and NPnECs were detected in the waters sampled in 1990s in Tokyo.

収録刊行物

  • 環境化学

    環境化学 14 (3), 519-529, 2004

    一般社団法人 日本環境化学会

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