Characterization of Pyroligneous Acid used in Agriculture by Gas Chromatography-Mass Spectrometry

被引：0
作者：
Souza, Joao Batista G. [1 ]
Re-Poppi, Nilva [1 ]
Raposo, Jorge Luiz, Jr. [2 ]
机构：
[1] Univ Fed Mato Grosso do Sul, Dept Quim, BR-79080190 Campo Grande, MS, Brazil
[2] Fundacao Univ Fed Grande Dourados, Fac Ciencias Exatas & Tecnol, BR-79804970 Dourados, MS, Brazil
来源：
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY | 2012年 / 23卷 / 04期
关键词：
biomass; thermal degradation; pyrolysis liquids; retention indices; LIQUID; ANTIOXIDANT; COMPONENTS; PHENOLS;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this study, two kinds of samples of pyrolysis liquid were analyzed, one produced at laboratory and other acquired from a company that supplies agricultural inputs. The analyses were carried out by gas chromatography with flame ionization detector (GC-FID) and mass spectrometry (GC-MS). The profiles corresponding to the two samples are discussed. Syringol, 1,2,3-trimethoxybenzene, 2-metoxy-4-methylphenol, o-guaiacol and 5-tert-butylpyrogalol were the most abundant substances in the acid extract (pyroligneous acid + soluble tar). The composition of the pyrolysis liquids was mainly characterized for methoxyphenols (guaiacol, syringol and their derivatives), phenols, carboxylic acids (C5-C17) and in a smaller amount for alcohol (C5-C9), ketones (C7-C8) and aldehydes (C5-C7). The results for the foliar fertilizer showed the presence of soluble tar and pyroligneous acid.
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页码：610 / 617
页数：8
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