Spectrophotometric Determination of Copper(II) in Samples of Soil from Selected Allotment Gardens in Lodz
B. Jankiewicz, B. Ptaszynski, A. Turek
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Institute of General and Ecological Chemistry, Politechnical University, Lodz, Poland
Pol. J. Environ. Stud. 1999;8(1):35–38
The content of copper in the soil of two allotment gardens in Lodz and a forest area near Lodz was determined. Copper was determined by an adapted extraction spectrophotometric method in the form of a complex with sodium(I) diethyldithiocarbamate. The influence of the extraction solvent, a masking agent and interfering elements (Fe(III) and Cr(III)) on determination of copper by this method was examined. Possibilities of elimination of the extraction stage by using a protective colloid for spectrophotometric determination of copper in soil were investigated.