Determination of Heavy Metals at Sub-ppb Levels in Water by Graphite Furnace Atomic Absorption Spectrometry Using a Direct Introduction Technique after Preconcentration with an Iminodiacetate Extraction Disk

A direct analysis method combining an iminodiacetate extraction disk (IED) with graphite furnace atomic absorption spectrometry was developed for the determination of Co, Ni, Cu, Cd, Sn, Pb, and Bi at sub-ppb levels in water. A 100 mL water sample was adjusted to pH 5.6 with nitric acid and a 1 mol-...

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Veröffentlicht in:	American journal of analytical chemistry 2012-10, Vol.3 (10), p.683-692
Hauptverfasser:	Inui, Tetsuo, Kosuge, Atsuko, Ohbuchi, Atsushi, Fujita, Kazuhiro, Koike, Yuya, Kitano, Masaru, Nakamura, Toshihiro
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical chemistry Atomic absorption analysis Cadmium Disks Extraction Furnaces Graphite Lead (metal)
Online-Zugang:	Volltext
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