| 两种四足席夫碱对环境水样中Fe(III)离子的比色识别研究 |
| Tetrapodal Schiff bases acting as colorimetric sensors for iron in environmental water samplesWANG Ruob, JIANG Quang-Qia,b,*, LI Xiao-Hongb |
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| 摘要: 使用季戊四胺与水杨醛、邻香兰素缩合反应得到了两种席夫碱化合物1和2。化合物1和2均可用于不同水样Fe(II)和Fe(III)离子的比色识别。通过光谱滴定及液质谱联用等方法研究了化合物1和2与Fe(III)的识别作用，化合物1和2与Fe(III)离子的配位比为1：1，对Fe(III)铁离子的检出限分别为0.19 和0.21 μM，低于世界卫生组织饮用水标准(5 μM)，具有一定的实用价值。 |
| 关键词: 席夫碱：比色传感器：铁离子 |
| 基金项目: 贵州省联合基金项目(黔科合LH字[2014]7619)；贵州大学教改项目(No.?JG?2013014)；贵州大学研究生创新基金(No.?2016009)；贵州大学绿色农药与农业生物工程教育部重点实验室开放基金资助项目(No.2016GDGP0102) |
| Abstract: Two colorimetric sensors, derived from pentaerythrityltetramine and salicylaldehyde (1) or o-vanillin (2), had been synthesized. Both sensors showed selective colorimetric sensing ability for Fe(II) and Fe(III) by changing color from light yellow to either orange or purple when immersed in water samples. The sensors coordinated to Fe(III) with 1:1 stoichiometry, as has been confirmed from the results of LC-MS spectrometry and UV-vis spectrum titration. The detection limits of sensors 1 (0.19 μM) and 2 (0.21 μM) are lower than the WHO guideline (5 μM) in drinking water. |
| Keywords: Schiff base Colorimetric sensor Iron |
| 投稿时间：2016-10-30 修订日期：2017-02-04 |
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