Browsing EQA - Escola de Química e Alimentos by Subject "Adsorbent preconcentration system"
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Silica-Alumina-Niobia (SiO2/Al2O3/Nb2O5) Matrix Obtained by the Sol-gel Processing Method: New Material for Online Extraction of Zinc Ions
(2010)In the present work, a new material, SiO2/Al2O3/Nb2O5 (designated as SiAlNb), was evaluated as an adsorbent in a flow injection spectrophotometric method for online preconcentration and determination of trace amounts of ...