试剂
铀
化学
检出限
离子
荧光
溶剂
核化学
色谱法
有机化学
材料科学
量子力学
物理
冶金
作者
Zaki Badr,Hassanien Gomaa,M. S. A. El‐Gaby,Faraghally A. Faraghally,Mahmoud A. Taher,Mohamed Abdel‐Hakim,Hazim M. Ali,Mohamed A. Abdel‐Lateef
出处
期刊:Luminescence
[Wiley]
日期:2022-04-12
卷期号:37 (6): 1001-1008
被引量:6
摘要
Selective fluorometric detection and determination of uranium ions is provided here using a novel fluorescent reagent, namely (E)-4-([4-hydroxynaphthalen-1-yl]diazenyl)-N-(5-methyleisoxazol-3-yl) benzenesulfonamide (UVI reagent). The UVI reagent offers a selective fluorescence enhancement behaviour at emission wavelength = 557 nm. The parameters affecting fluorometric detection of uranium ions, such as the pH, solvent type, ligand concentration, interaction time, and interfering ions, were investigated and adjusted. The proposed UVI reagent can detect and determine uranium ions even at low concentrations, for which the obtained limit of detection was 0.1 ppm. Additionally, this proposed determination protocol was successfully used to detect, monitor, and determine uranium ions in actual water samples.
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