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Metals complexation with humic acids in surface water of different natural-climatic zones
被引：5
作者：
Dinu, M. I.
[1
]
机构：
[1] Russian Acad Sci, Vernadsky Inst Geochem & Analyt Chem, Moscow 117901, Russia
来源：
PROCEEDINGS OF THE 16TH INTERNATIONAL CONFERENCE ON HEAVY METALS IN THE ENVIRONMENT
|
2013年
/
1卷
关键词：
Heavy metals;
humic acid;
complexing;
stability constants;
D O I：
10.1051/e3sconf/20130132011
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ;
0830 ;
摘要：
Humic acids extracted from different soils. The stability constants of metal humates and acid dissociation constant humic acids were calculated. Forms of metals in natural waters was determined with use account their chemical composition and content and properties of organic matter. We assessed metals speciation in water objects with account for competitive reactions resulting in formation of hydroxide, hydrocarbonate, sulfate, and chloride metal complexes and obtained a competitive series of metal activity in natural waters of the zones considered.
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页数：4
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