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Frontiers of Chemical Science and Engineering >> 2012, Volume 6, Issue 4 doi: 10.1007/s11705-012-1219-z

Preconcentration of trace elements by adsorption onto a niobium wire for electrothermal atomization atomic absorption spectrometry with a tungsten tube atomizer

1. Department of Chemistry for Materials, Graduate School of Engineering, Mie University, Mie 514–8507, Japan; 2. Environmental Preservation Center, Mie University, Mie 514–8507, Japan

Available online: 2012-12-05

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Abstract

In the present work, a new preconcentration method of trace elements by adsorption onto a niobium wire has been developed for electrothermal atomization atomic absorption spectrometry (ETAAS) with a tungsten tube atomizer. Detection limits (pg·mL ) by this method combined with ETAAS were 45 for bismuth, 7.0 for cadmium, 20 for copper, 1.3 for gold, 36 for lead, 65 for manganese, 9.5 for rhodium and 19 for silver.

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