Immobilized alga as a reagent for preconcentration in trace element atomic absorption spectrometry
- 1 January 1991
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Analytical Atomic Spectrometry
- Vol. 6 (8) , 643-646
- https://doi.org/10.1039/ja9910600643
Abstract
The alga Selenestrum capricornutum was covalently immobilized on controlled pore glass and packed in a minicolumn, which was incorporated into a flow injection system for the preconcentration of trace elements prior to determination by atomic absorption spectrometry. Samples (5 ml) of Cu2+, Pb2+, Zn2+, Co2+, Hg2+ and Cd2+ were preconcentrated to give detection limits of 0.05, 2.5, 0.2, 8.0, 30.0 and 2.0 ng ml–1, respectively, with a sampling rate of 20 h–1.Keywords
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