Study of humic substance transformation in phosphatic soil in terms of nucleophilicity and electrophilicity

被引：0
|
作者：
A. Yu. Kudeyarova
机构：
[1] Russian Academy of Sciences,Institute of Physicochemical and Biological Problems in Soil Science
来源：
Biology Bulletin | 2006年 / 33卷
关键词：
Fulvic Acid; Biology Bulletin; Phosphate Anion; Unshared Electron Pair; Humic Molecule;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The applicability of the nucleophilicity/electrophilicity concept to the explanation of mechanisms of formation and transformation of humic substances was considered. Sequential time changes in the structure and properties of humic substances in phosphatic soil have been revealed. Different elemental composition of humic and fulvic acids at different stages of humus transformation was due to different patterns of electron density distribution in phosphorus-modified fragments of humic molecules. The important role of metals and phosphorus in realization of different pathways of humic substance transformation was demonstrated.
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页码：293 / 303
页数：10
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