Electroanalytical methods for determination of the metal content and acetic-acid-available metal fractions in soils
2002
Kowalska, Joanna | Krasnodêbska-Ostrêga, Beata | Golimowski, Jerzy
The pseudo-total and available arsenic, cadmium, and lead content of soils have been determined by stripping voltammetry with a hanging-mercury-drop electrode and by atomic absorption spectrometry with electrothermal atomization. For determination of pseudo-total metals microwave digestion with a mixture of HNO₃ and HClO₄, with and without addition of HF, was investigated. The single-extraction procedure with 0.43 mol L–¹CH₃COOH, proposed by BCR, was used to assess the availability of metals in soils. The results obtained were validated by analysis of a certified reference material.
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