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Thermo-IR-spectroscopy study of the adsorption of terbuthylazine by soil from the Jezreel Valley

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Abstract

Adsorption of the herbicide terbuthylazine by a soil from the Jezreel Valley was investigated by thermo-IR-spectroscopy. The adsorption took place mainly by the clay mineral montmorillonite. The adsorbed molecule was hydrogen bonded via the aniline groups to water molecules which were coordinated to the exchangeable metallic cations. When the sample was thermally treated at 115°C interlayer water was evolved, part of the herbicide decomposed and the other part became directly coordinated to the exchangeable metallic cations. The decomposition product contained a CO group.

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Dedicated to Prof. Menachem Steinberg on the occasion of his 65th birthday

This research was supported in part under Project number C12-219, Grant number HRN5544 G002069, Program in Science and Technology Corporation, Human Capacity Development, Bureau for Global Programs, Field Support and Research, USAID.

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Alayof, E., Yariv, S. & Gerstl, Z. Thermo-IR-spectroscopy study of the adsorption of terbuthylazine by soil from the Jezreel Valley. Journal of Thermal Analysis 50, 215–227 (1997). https://doi.org/10.1007/BF01979563

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  • DOI: https://doi.org/10.1007/BF01979563

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