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Artefacts in sorption experiments with trace metals.

Giusti, L. and Hamilton-Taylor, J. and Davison, W. and Hewitt, CN (1994) Artefacts in sorption experiments with trace metals. Science of the Total Environment, 152 (3). pp. 227-238.

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Abstract

Laboratory studies of trace metal sorption by natural and synthetic particles are frequently unrealistic due to the concentrations of sorbate and sorbent being orders of magnitude above those found in nature. Undertaking such experiments under more realistic conditions requires careful quality assessment of the methods used. A series of systematic sorption experiments, based on filtration and measurement by atomic absorption spectrometry (AAS), showed that metal losses to container walls and filters were unavoidable in solutions which emulate freshwaters. These errors can be corrected by using multiple control solutions which estimate metal losses at the appropriate pH and solution concentrations. Without such corrections, sorption can be appreciably overestimated.

Item Type: Article
Journal or Publication Title: Science of the Total Environment
Uncontrolled Keywords: Sorption artefacts ; Trace metals ; Metal solubility
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 22439
Deposited By: ep_ss_importer
Deposited On: 30 Jan 2009 09:49
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 16:01
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/22439

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