Pyridine-functionalized mesoporous silica as an adsorbent material for the determination of nickel and lead in vegetables grown in close proximity by electrothermal atomic adsorption spectroscopy

► Pyridine-functionalized mesoporous silica is an effective solid-phase material. ► Nickel and lead in vegetables samples can be determined at ngmL−1 levels. ► Trace amounts of nickel and lead in vegetable can be determined simultaneously. ► Extraction of nickel or lead by mesoporous silica at pH of...

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Veröffentlicht in:	Food chemistry 2011-07, Vol.127 (1), p.364-368
Hauptverfasser:	Sadeghi, O., Tavassoli, N., Amini, M.M., Ebrahimzadeh, H., Daei, N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorbents Atomic absorption analysis Atomic beam spectroscopy Biological and medical sciences ETAAS Extraction Flow rate Food industries Foods Fruit and vegetable industries Fundamental and applied biological sciences. Psychology Lead determination MCM-48 Nickel Nickel determination Silicon dioxide Vegetable Vegetables
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