Separation and preconcentration of cadmium ions using octadecyl silica membrane disks modified by methyltrioctylammonium chloride

A simple and selective method for the determination of cadmium in water samples by FAAS after solid phase extraction has been developed. The method is based on the sorption of cadmium as CdI 4 2− on octadecyl silica membrane disks modified by cationic surfactant of methyltrioctylammonium chloride in...

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Veröffentlicht in:	Journal of hazardous materials 2009-02, Vol.162 (1), p.373-377
Hauptverfasser:	Haji Shabani, Ali Mohammad, Dadfarnia, Shayesteh, Motavaselian, Fatemeh, Ahmadi, Seyyed Hamid
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Cadmium Cadmium - chemistry Cadmium - isolation & purification Cationic surfactant Ethanol - chemistry Exact sciences and technology Flame atomic absorption spectrometry Indicators and Reagents Membranes, Artificial Nitric Acid - chemistry Octadecyl silica membrane disk Pollution Potassium Iodide - chemistry Quaternary Ammonium Compounds - chemistry Reproducibility of Results Silicon Dioxide - chemistry Solid phase extraction Solutions Solvents Spectrophotometry, Atomic
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