期刊
INORGANIC CHEMISTRY COMMUNICATIONS
卷 111, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.inoche.2019.107672
关键词
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资金
- National Key R&D Program of China [2016YFC0401104]
- HIT Environment and Ecology Innovation Special Funds [HSCJ201617]
- National Natural Science Foundation of China [21773050]
- Harbin Distinguished Young Scholars Fund [2017RAYXJ024]
- State Key Laboratory of Urban Water Resource and Environment (Harbin Institute of Technology) [2017DX05]
Heavy metal pollution causes serious health threat to humanbeings. Herein we fabricated a novel bismuth oxycarbide (BOC) modified glassy carbon electrode (GCE) for the simultaneous detection of cadmium and lead ions using differential pulse anodic stripping voltammetry (DPASV). The main factors influencing the detection performance, such as solution pH, deposition voltage and deposition time were optimized to be 4.5, -1.3v, and 700s, respectively. The detection limits for lead ions and cadmium ions were 4.30 mu g/L and 3.97 mu g/L, respectively. These detection limits are both lower than 5 mu g/L for cadmium ions and 10 mu g/L for lead ions national standards. The BOC modified GCE exhibits good selectivity and reliability for the detection of lead ions and cadmium ions. BOC/GCE may find great potential for heavy metal ions detection in real water sample.
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