- Suitability of humic substances recovered from sewage sludge to remedy soils from a former As mining area - a novel approach.
Suitability of humic substances recovered from sewage sludge to remedy soils from a former As mining area - a novel approach.
Journal of hazardous materials (2017-06-02)
Zygmunt M Gusiatin, Dorota Kulikowska, Barbara Klik
PMID28570874
ABSTRACT
Batch washing experiments were performed to evaluate the feasibility of using a solution of humic substances (HS) extracted from municipal sewage sludge as a washing agent to remove As from soils at a former As mining area. Soils (S1, S2, S3) differed in organic matter content, pH and As concentration. At pH 4 and a HS concentration of 4000mgTOCL
MATERIALI
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Arsenic Standard for AAS, TraceCERT®, 1 g/L As in nitric acid (nominal concentration), Manufactured by: Sigma-Aldrich Production GmbH, Switzerland