Near-infrared spectroscopy study for determination of adsorbed acetochlor in the organic and inorganic bentonites

被引：6

作者：

Tomic, Zorica P. ^{[2
]}

Asanin, Darko ^{[3
]}

Durovic, Rada ^{[4
]}

Dordevic, Aleksandar ^{[2
]}

Makreski, Petre ^{[1
]}

机构：

[1] SS Cyril & Methodius Univ, Fac Sci, Inst Chem, Skopje 1000, Macedonia

[2] Univ Belgrade, Fac Agr, Belgrade 11080, Serbia

[3] Univ Kragujevac, Fac Sci, Kragujevac 34000, Serbia

[4] Inst Pesticides & Environm Protect, Chem Lab, Belgrade 11080, Serbia

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2012年 / 98卷

关键词：

NIR spectroscopy; Adsorption; Acetochlor; Organo-clay; Bentonite; Montmorillonite; CLAY-MINERALS; P-NITROPHENOL; FT-IR; ACID; MONTMORILLONITE; ORGANOCLAYS; WATER; HERBICIDES; TEM;

D O I：

10.1016/j.saa.2012.08.035

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

NIR spectroscopy is used to determine acetochlor herbicide adsorption on Na-montmorillonite (NaP) and organically modified montmorillonite (NaOM). Both montmorillonites NIR spectra shows bands at 7061 and 6791 cm(-1). Organo-montmorillonite is characterised by two emphasized bands at 5871 and 5667 cm(-1) that are attributed to the fundamental overtones of the mid-IR bands at 2916 and 2850 cm(-1). Bands at 6017 and 6013 cm(-1) are attributed to acetochlor adsorbed to organo-montmorillonite and Na-montmorillonite, which is confirmed by X-ray powder diffraction (XRPD). Greater quantity of acetochlor is adsorbed to organo-clays compared to non-modified montmorillonite. Acetochlor poses high risk to environmental contamination. Organo-clays are the most useful for removing acetochlor from water and soil. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：47 / 52

页数：6

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