Adsorption-assistant detection of trace uranyl ion with high sensitivity and selectivity in the presence of SBA-15

被引：0
作者：
Weiwei He
Jiaqi Ma
Jun Qian
Hanzhou Liu
Daoben Hua
机构：
[1] Soochow University,State Key Laboratory of Radiation Medicine and Protection, School of Radiological and Interdisciplinary Sciences (RAD
[2] Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions,X)
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2018年 / 316卷
关键词：
Probe; Uranyl ion; Fluorescence; Adsorption-assistant detection; SBA-15;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new strategy adsorption-assistant detection of trace uranyl ion is developed in this work employing fluorescence techniqe. Specifically, mesoporous molecular sieve SBA-15 is introduced in the process of determination of uranyl by esculin to enhance the sensitivity and selectivity. A linear detecting range of 0.001–0.05 μM and a limit of detection of 6 nM are achieved, which is probably due to the adsorption of both esculin and uranyl ion onto SBA-15. The KSV value is 8.69 × 106 mol−1 L, which was ca. 40 times of that without SBA-15.
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页码：201 / 207
页数：6
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