Advanced oxidation processes for degradation of organomercurials: determination of inorganic and total mercury in urine by FI-CV-AAS

被引:39
作者
Capelo, JL [1 ]
Maduro, C [1 ]
Mota, AM [1 ]
机构
[1] Univ Tecn Lisboa, P-1049001 Lisbon, Portugal
关键词
D O I
10.1039/b314905f
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A new methodology, based on advanced oxidation processes, for the determination of inorganic and total mercury in human urine is proposed. Ultrasound in conjunction with ozone (sonozone) was used to avoid urine dilution for inorganic mercury determination. A new oxidation method in urine based on KMnO4 HCl-focused ultrasound is proposed for conversion of methylmercury into inorganic mercury and subsequent determination by flow injection-cold vapour atomic absorption spectrometry (FI-CV-AAS). The methodology was applied to the determination of inorganic and total mercury in spiked urine from different non-exposed volunteers.
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页码:414 / 416
页数:3
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