Study on solid phase extraction and spectrophotometric determination of vanadium with 2,3-dichloro-6-(2,7-dihydroxy-1-naphthylazo)quinoxaline

A sensitive, selective and rapid method has been developed for the determination micrograms per liter level of vanadium ion based on the rapid reaction of vanadium(V) with 2,3-dichloro-6-(2,7-dihydroxy-1-naphthylazo)quinoxaline (DCDHNAQ) and the solid phase extraction of the colored complex with C18...

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Veröffentlicht in:	Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy Molecular and biomolecular spectroscopy, 2009-07, Vol.73 (1), p.195-200
Hauptverfasser:	Amin, Alaa S., Saber, Amr L., Mohammed, T.Y.
Format:	Artikel
Sprache:	eng
Schlagworte:	2,3-Dichloro-6-(2,7-dihydroxy-1-naphthylazo)quinoxaline Acids - chemistry Environmental analysis Hydrogen-Ion Concentration Naphthalenes - chemistry Quinoxalines - chemistry Solid phase extraction Solid Phase Extraction - methods Spectrophotometry Spectrophotometry - methods Surface-Active Agents - chemistry Vanadium - analysis Vanadium - chemistry Vanadium determination
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