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- W2892073174 abstract "A rapid and sensitive colorimetric detection method for the determination of Hg2+ has been successfully developed in this research. Citrate−functionalized silver nanotriangles (AgTrngs) were synthesized via one−pot sodium borohydride method with the edge−length range of 30 − 40 nm. The obtained AgTrngs were fully characterized using UV−Vis spectrophotometry, transmission electron microscopy (TEM), energy dispersed spectroscopy (EDS) and X−ray diffractometer. The efficiency of the developed sensor was optimum at pH= 8 due to interfering effect of H+ ions for Hg2+ under acidic conditions. The successful detection of mercury in aqueous solutions in the concentration range of 10 nmol L−1–50 μmol L−1 indicated the applicability of the developed sensor for effective monitoring and controlling the level of Hg2+ in industrial effluents. The ability of Hg2+ ion to interact with Ag and form the Hg−Ag alloy (amalgam) over the surface of AgTrngs resulted in an obvious color change from blue to violet. UV−Vis spectrophotometry showed that the sensor has the limit of detection (LOD) value of as low as 4 nmol L−1 which was below the safety level of Hg2+ions (10 nmol L−1) in drinking water. The proposed method can be used for on−line determination of Hg2+ in the complex aqueous solutions." @default.
- W2892073174 created "2018-09-27" @default.
- W2892073174 creator A5008955784 @default.
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- W2892073174 date "2019-01-01" @default.
- W2892073174 modified "2023-10-03" @default.
- W2892073174 title "Facile and on−line colorimetric detection of Hg2+based on localized surface plasmon resonance (LSPR) of Ag nanotriangles" @default.
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- W2892073174 doi "https://doi.org/10.1016/j.talanta.2018.09.079" @default.
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