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Methacrylate copolymers with pendant piperazinedione-sensing motifs as fluorescent chemosensory materials for the detection of Cr(VI) in aqueous media

机译:带有甲基哌嗪二酮侧基的甲基丙烯酸酯共聚物作为荧光化学传感材料,用于检测水性介质中的Cr(VI)

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摘要

A fluorogenic sensory film, or dense membrane, capable of detecting Cr(VI), Fe(Ⅲ), and Hg(Ⅱ) in water was prepared. The film was prepared by a bulk radical polymerization of different comonomers, one of which contained a piperazinedione motif as sensory fluorophore. The film exhibited gel-like behavior and was highly tractable, even after being swollen in water. The sensing conditions were chosen to overcome interference from iron and mercury cations, giving rise to a material with a detection limit of 1 ppb for Cr(VI).
机译:制备了一种能够检测水中Cr(VI),Fe(Ⅲ)和Hg(Ⅱ)的荧光传感膜或致密膜。该膜是通过不同共聚单体的本体自由基聚合制备的,其中一种包含作为感觉荧光团的哌嗪二酮基序。该膜即使在水中溶胀后也表现出凝胶状的行为并且易于处理。选择传感条件是为了克服铁和汞阳离子的干扰,从而产生了一种对Cr(VI)的检测极限为1 ppb的材料。

著录项

  • 来源
    《Journal of Hazardous Materials》 |2012年第15期|p.480-483|共4页
  • 作者单位

    Departamento de Quimica, Facultad de Ciencias, Universidad de Burgos. Plaza de Misael Banuelos s, E-09001 Burgos, Spain;

    Departamento de Quimica, Facultad de Ciencias, Universidad de Burgos. Plaza de Misael Banuelos s, E-09001 Burgos, Spain;

    Departamento de Quimica, Facultad de Ciencias, Universidad de Burgos. Plaza de Misael Banuelos s, E-09001 Burgos, Spain;

    Departamento de Quimica, Facultad de Ciencias, Universidad de Burgos. Plaza de Misael Banuelos s, E-09001 Burgos, Spain;

    Departamento de Quimica, Facultad de Ciencias, Universidad de Burgos. Plaza de Misael Banuelos s, E-09001 Burgos, Spain;

    Departamento de Quimica, Facultad de Ciencias, Universidad de Burgos. Plaza de Misael Banuelos s, E-09001 Burgos, Spain;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    polymer membranes; polymer chemosensors; sensory materials; sensing hexavalent chromium; hexavalent/trivalent chromium; discrimination;

    机译:聚合物膜聚合物化学传感器;感官材料;感应六价铬六价/三价铬歧视;

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