An octahedral Cu2O@AgNCs substrate in liquid-microextraction coupled chemometric algorithms for SERS sensing of chromium(iii & vi) species

The current study assembles liquid-microextraction, surface enhanced Raman spectroscopy (SERS) and chemometric algorithms in one platform for chromium speciation using octahedral Cu2O@Ag nanocomposites (Cu2O@AgNCs) as a SERS substrate. The reaction between cationic dye rhodamine 6G (RG+) and the chl...

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Veröffentlicht in:	Analytical methods 2019-12, Vol.11 (47), p.6004-6012
Hauptverfasser:	Ahmad, Waqas, Hassan, Md Mehedi, Wang, Jingjing, Zareef, Muhammad, Annavaram, Viswadevarayalu, Chen, Quansheng
Format:	Artikel
Sprache:	eng
Schlagworte:	Adaptive sampling Algorithms Cationic dyes Chromium Chromium plating Copper oxides Electron microscopy Energy transmission Ion association Masking Microscopy Nanocomposites Photoelectron spectroscopy Photoelectrons Raman spectroscopy Reagents Redundancy Rhodamine 6G Scanning electron microscopy Sediments Selectivity Silver Speciation Spectroscopy Spectrum analysis Stoichiometry Substrates Transmission electron microscopy X ray photoelectron spectroscopy X-ray diffraction
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