Determination of total and electrolabile copper in agricultural soil by using disposable modified-carbon screen-printed electrodes

The objective of the study is to evaluate modified-carbon screen-printed working electrodes (SPE) combined with square wave anodic stripping voltammetry (SWASV) to determine electrolabile and total copper in soils with the perspective to assess the environmental hazard resulting from copper anthropo...

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Bibliographic Details
Published in:Analytical and bioanalytical chemistry 2014-02, Vol.406 (4), p.1249-1252
Main Authors: Faucher, Stéphane, Cugnet, Cyril, Authier, Laurent, Lespes, Gaëtane
Format: Article
Language:English
Subjects:
Acids
Agricultural land
Analysis
Analytical Chemistry
ANODES
Anodic stripping
Anthropogenic factors
Biochemistry
Carbon
Characterization and Evaluation of Materials
CHEMICAL ANALYSIS
Chemical Sciences
Chemistry
Chemistry and Materials Science
Copper
Copper - analysis
Electric properties
Electrochemistry - instrumentation
Electrochemistry - methods
Electrodes
Environmental assessment
Environmental hazards
Food Science
Laboratories
Laboratory Medicine
Leachates
Loam soils
MATHEMATICAL ANALYSIS
Mercury
Methods
Mineralization
Monitoring/Environmental Analysis
Optimization
RECOVERY (HYDROMETALLURGY)
Scientific imaging
Soil (material)
Soil - chemistry
SOILS
Standard deviation
Voltammetry
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Summary:The objective of the study is to evaluate modified-carbon screen-printed working electrodes (SPE) combined with square wave anodic stripping voltammetry (SWASV) to determine electrolabile and total copper in soils with the perspective to assess the environmental hazard resulting from copper anthropogenic contamination. The voltammetric method was investigated using a mineralized certified reference soil such that it can be assumed that the copper was totally under electrolabile form in the solution of mineralized soil. In optimal conditions, a copper recovery of 97 % and a relative standard deviation (RSD) of 9 % were found. The limits of detection and quantification for copper were 0.4 and 1.3 μg L −1 , respectively. Finally, the method was applied on soil leachates, which allowed evaluating the cupric transfer from the soil to the leachates and quantifying the electrolabile copper part in leachates.
ISSN:1618-2642
1618-2650
DOI:10.1007/s00216-013-7448-2