LOW MOLECULAR WEIGHT ORGANIC ACIDS IN SOILS AND ORGANIC MATERIALS

被引：9

作者：

Pinheiro, Gabriela Lucia ^{[1
]}

Silva, Carlos Alberto ^{[1
]}

de Lima, Jose Maria ^{[1
]}

da Costa, Alisson Lucrecio ^{[1
]}

Saczk, Adelir Aparecida ^{[2
]}

机构：

[1] Univ Fed Lavras, Dept Ciencia Solo, BR-37200000 Lavras, MG, Brazil

[2] Univ Fed Lavras, Dept Quim, BR-37200000 Lavras, MG, Brazil

来源：

QUIMICA NOVA | 2013年 / 36卷 / 03期

关键词：

manures; plant residues; liquid chromatography;

D O I：

10.1590/S0100-40422013000300011

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Determination of organic acids in soils and organic materials is important due to the important role they play in improving the soil's physical, chemical and microbiological conditions. This study identified and quantified low molecular weight organic acids (LMWOA) in soils (dystroferric Red Latosol, dystrophic Red-Yellow Latosol and Quartzarenic Neosol) and organic materials (cow, pig, chicken, quail and horse manures, sawdust, coconut fiber, pine bark, coffee husks, biochar, organic substrate, sewage sludges 1 and 2, garbage compost, pig slurry compost). The following acids were identified: acetic, citric, D-malic, formic, fumaric, maleic, malonic, oxalic, quinic, shikimic, succinic and tartaric.

引用

页码：413 / 418

页数：6

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