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Adsorption of Fe and Zn by clay-humic complexes [electronic resource].

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Abou Hussien, E. A

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Language: English Summary language: Arabic Description: p.127-138Other title:

إدمصاص الحديد والزنك على معقدات الطين وحمض الهيوميك [Added title page title]

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Egyptian journal of soil science, 2002 v. 42 (1) [electronic resource].

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In: Egyptian journal of soil science 2002 v .42 (1)Summary: This experiment studied the adsorption of humic acid (HA) by coarse (2-1 mm) and fine (<1 mm) clay fractions separated from alluvial soil (Shibin El-Kom) and the adsorption of Fe and Zn on the formed clay-humic acid complexes at different pH-values. The adsorbed amounts of HA (µg HA/g clay) on the fine clay-fraction were larger than those adsorbed by the coarse fraction and these amounts were increased by adding HA. In other words, the HA concentration in clay-humic acid complexes was increased by adding HA.

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This experiment studied the adsorption of humic acid (HA) by coarse (2-1 mm) and fine (<1 mm) clay fractions separated from alluvial soil (Shibin El-Kom) and the adsorption of Fe and Zn on the formed clay-humic acid complexes at different pH-values. The adsorbed amounts of HA (µg HA/g clay) on the fine clay-fraction were larger than those adsorbed by the coarse fraction and these amounts were increased by adding HA. In other words, the HA concentration in clay-humic acid complexes was increased by adding HA.

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