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- W2360824531 abstract "Portable heavy metal detector basing on Anodic Stripping Voltammetry is one of the convenient means applicable to heavy metals contamination measurement,which can provide immediate quantitative analysis results for Zn,Cd,Pb,Cu,Hg,As and such.In this paper,comparison experiments between standard laboratory analysis methods and rapid field metal detection have been constucted and conducted to improve the accuracy of field metal detection method.The refined methods broadened the detection range,the Cd,Pb,Cu quantitative range extended to 10% to 10 times of the calibration point concentration(0.02 mg/L~2.00 mg/L);Zn quantitative range to 10%~250% of the calibration point concentration(0.02 mg/L~0.50 mg/L);Hg quantitative range to 20% to 2 times of the calibration point concentration(0.005 mg/L~0.500 mg/L),in order to meet the detection limit for various level of sample,concentrations range from μg/L to mg/L.Performance data of optimized method show that the detection limit of Zn,Cd,Pb,Cu,Hg,As is about 6×10-4~4×10-3 mg/L,RSD is less than 6%,RE is about-18%~20%,and the substrate standard addition recovery is within 72%~120%.Comparing with results from standard laboratory analysis methods shows that improved field detection method share a similar detection limit with ICP-AES,while has relatively wider detection range than flame AAS method;All methods have close RSD value,while the field detection provide slightly less accurate results than the others.All in all,in lights of the its rapid detection and portability,the detector is suitable for field heavy metals contamination detection,particularly,during some pollution accidents." @default.
- W2360824531 created "2016-06-24" @default.
- W2360824531 creator A5049207692 @default.
- W2360824531 date "2012-01-01" @default.
- W2360824531 modified "2023-09-23" @default.
- W2360824531 title "Study on the Optimization and Accuracy of On-site Detection Method in Heavy Metals Pollution Incidents" @default.
- W2360824531 hasPublicationYear "2012" @default.
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