Colorimetric Detection of Mercury in Aqueous Media Based on Reaction with Dithizone

Abstract : This study investigates the colorimetric reaction between dithizone and mercury in aqueous media which generate the orange Hg-dithizone complexes extracted by chloroform. Then combining with spectral analysis, the UV-vis spectral data of the complexes are obtained to build a forecast model. By means of the multiple linear regression model with SG smoothing method, RPD (Residual Predictive Deviation) of 3.2461 is reached with the detection limit of 0.1129 ug/L. This colorimetric method was found to be rapid, simple and sensitive for the detection of mercury in aqueous medium.
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Zihan Wu, Ming Sun, Ling Zou. Colorimetric Detection of Mercury in Aqueous Media Based on Reaction with Dithizone. 9th International Conference on Computer and Computing Technologies in Agriculture (CCTA), Sep 2015, Beijing, China. pp.111-116, ⟨10.1007/978-3-319-48354-2_11⟩. ⟨hal-01614188⟩

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