ミネラルウォーター及び水道水中のニトロフェノール系農薬のUV吸収及び電気化学検出HPLCによる同時分析

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タイトル別名
  • Determination of Nitrophenol Pesticides in Mineral Water and Tap Water by HPLC with Ultraviolet and Amperometric Detection
  • ミネラル ウォーター オヨビ スイドウスイチュウ ノ ニトロフェノールケイ ノ

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抄録

A simultaneous analytical method was developed for 9 nitrophenol pesticides and 2 aromatic nitro pesticides in drinking water by HPLC. The analytical HPLC was run on a Wakosil II 3C18AR column (4.6mm i. d. ×15cm) with a gradient formed from A: 0.1M monochloroacetic acid (pH 2.5)-MeCN-0.01M sodium butanesulfonic acid (10:30:60) and B: 0.1M monochloroacetic acid (pH 2.5)-MeCN (10:90), UV detection at 280nm and amperometric detection (AMD) with a glassy-carbon electrode (+1.2V). A drinking water sample was adjusted to pH 4 with 0.1M hydrochloric acid and purified on a Sep-pak Plus PS-2 cartridge. The cartridge was washed with water, and retained substances were eluted with MeCN. The eluate was concentrated under an N2 stream and was analyzed by HPLC. Recoveries for pesticides spiked into drinking water were 58.0-98.6% at the level of 20μg/L. The detection limits of these pesticides in water are 1μg/l.

収録刊行物

  • 食品衛生学雑誌

    食品衛生学雑誌 37 (1), 48-53_1, 1996

    公益社団法人 日本食品衛生学会

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