Fluorescence analysis of humic substances extracted from water, soil and sediment of the Patos Lagoon, MS

被引：0
|
作者：
Rodrigues de Azevedo, Julio Cesar [1 ]
Nozaki, Jorge [2 ]
机构：
[1] Univ Tecnol Fed Parana, Dept Acad Quim & Biol, BR-87020901 Curitiba, Parana, Brazil
[2] Univ Estadual Maringa, Nucleo Pesquisa Limnol Ictiol & Aquicultura, BR-87020900 Maringa, Parana, Brazil
来源：
QUIMICA NOVA | 2008年 / 31卷 / 06期
关键词：
fluorescence; humic acid; fulvic acid;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The humic Substances were extracted from sediments. water and soil close to the Lagoa dos Patos-MS. The characterization was performed through fluorescence emission. In the HSs it is possible to see strong indications of incorporation of compounds originating from lignin degradation. confirmed by fluorescence emission (EEM and synchronous spectra). These differences observed in HSs may be due to tropical regions displaying a great variety of vascular plants and aquatic macrophytes that contribute natural organic matter. The seasonality effect also causes the entrance of pedogenic material and the suspension of sediments by the action of winds.
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页码：1324 / 1329
页数：6
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