Copper nanoparticles: A new colorimetric probe for quick, naked-eye detection of sulfide ions in water samples
作者： Amir Hatamie , Behrooz Zargar , Amir Jalali
DOI: 10.1016/J.TALANTA.2014.01.008
关键词:
摘要: This study introduces a new method for the visual and spectrophotometric detection of chemical species using copper nanoparticles (Cu NPs). A simple synthesis Cu NPs rapid colorimetric sulfide ions (S(2-)) in water samples is described. The sensor detects sensitive selective color change presence micromolar levels S(2-) that can be observed with naked eye monitored UV-vis spectrophotometer. quantitatively correlates concentration from 12.5 × 10(-6)M to 50.0 10(-6)M. Samples tap river were spiked analyzed proposed system. results showed exhibited excellent samples. main advantage it provides good selectivity detecting without need complex readout equipment. has high potential environmental monitoring ions.
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