2011•Journal of Beijing Normal UniversityRequires access

ANTIMONY(V) ADSORPTION ON KAOLINITE:EFFECT OF pH,IONIC STRENGTH,COMPETITIVE IONS AND HUMIC ACID

Jianhong Xi

Abstract

Sb(V) adsorption on kaolinite and influence of chemical parameters such as pH,ionic strength,competitive ions and humic acid was examined.Data indicated that adsorption was affected strongly by pH.Sb(V) adsorption decreased with increasing pH from 3 to 8.Ionic strength and humic acid had no effect on adsorption.The presence of PO3-4 significantly inhibited Sb(V) adsorption on kaolinite.

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Key concepts: Kaolinite, Adsorption, Ionic strength, Humic acid, Chemistry, Inorganic chemistry, Antimony, Ion