On-Site Mine Water Analysis : Application Note for the PDV6000plus

Document Type

Conference Proceeding

Publisher

CBU Press

Faculty

Faculty of Computing, Health and Science

School

Faculty Office (FCHS) / Centre for Ecosystem Management

RAS ID

10234

Comments

Braungardt, C., Butterfield, M., & Wajrak, M. (2010). On-site mine water analysis:application note for the PDV6000plus. Proceedings of IMWA 2010 International Mine Water Association Symposium . (pp. 331-335). Sydney, Nova Scotia, Canada. CBU Press. Available here

Abstract

This study presents a matrix-removal system for metals that interfere with the determination of arsenic with a voltammetric instrument capable of on-site use. A three-step sample pre-treatment system was developed to remove Fe, Cu and Zn: filtration, adjustment of pH (pH 5.5) and column-extraction of interfering metals using chelating resin. This set-up allowed the direct and accurate determination of As in mine waters containing up to 1500 μg L⁻¹ Cu and 500 μg L⁻¹ Zn and confirmed interferences at higher concentrations. Column optimisation and method adaptation for rapid on-site use are discussed.

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