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Trace analysis of lead by anodic stripping voltammetry with collection at interdigitated microelectrodes in small-volume samples

M. Rievaj, Z. Dovalovsk√°, and D. Bustin

Department of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology, SK-812 37 Bratislava, Slovakia

 

E-mail: bustin@cvt.stuba.sk

Received: 6 June 2005  Revised: 7 November 2005  Accepted: 16 November 2005

Abstract: A simple and sensitive electroanalytical method was developed for microvolume trace elements determination. Commercially available interdigitated microelectrodes (IDA) from ALS Japan Inc. based on a thin carbon film technology were used. Anodic stripping voltammetry with collection at IDA was applied. Carbon IDA microbands were coated with a pre-deposited mercury film for better performance. The method with this sensor enables analysis of some heavy metals in total sample volumes as small as 0.05 cm3. The method was applied to Pb in blood samples determination by a standard addition method.

Full paper is available at www.springerlink.com.

DOI: 10.2478/s11696-006-0020-1

 

Chemical Papers 60 (2) 111–115 (2006)

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