作者: B. Dousova , F. Buzek , L. Herzogova , V. Machovic , M. Lhotka
DOI: 10.1111/EJSS.12206
关键词:
摘要: Summary The interaction of toxic oxyanions with organic matter can affect their stability and binding mechanisms in soils. The adsorption/desorption properties arsenic (AsV)/antimony (SbV) were tested two types soil a variable content natural (NOM). Sample JEZ (I) represented locality near brown-coal power plant, therefore formerly exposed to large amounts atmospheric pollution, while sample LIZ (II) originated an uncontaminated region without anthropogenic impact. Soil samples investigated from the O mineral B horizons. Different As/Sb fixations indicated by different adsorption affinity Arsenic as AsV was strongly adsorbed horizons, antimony SbV predominantly bound sorption followed Langmuir model maximum capacities 1.4 × 10−2 mmol g−1 for As 1.0 Sb adsorptions. release distilled water 0.1 m KCl illustrated significantly larger ionic solutions, where available ions prevented aggregation matter, thus maintaining balanced distribution surface charge. Distilled pH about 6 supported negative charge density enhanced oxyanions.