Competition of Ca(II) and Mg(II) with Ni(II) for binding by a well-characterized fulvic acid in model solutions
Article Abstract:
Researchers from Carleton University, Canada and the Geological Survey of Canada investigated the competition of Ca2+ and Mg2+ in model solutions at constant pH and ionic strength with trace metal ion Ni2+ for binding sites of fulvic acid. The rate of release of free Ni2+ ions was measured using the Competing Ligand Exchange Method with Chelex-100 and found that it produces weak Ni(II)-fulvate complexes that are liable.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 2000
User Contributions:
Comment about this article or add new information about this topic:
Characterization of manganese-containing particles collected from the exhaust emissions of automobiles running with MMT additive
Article Abstract:
Methylcyclopentadienyl manganese tricarbonyl (MMT), an organic derivative of manganese, is used in unleaded gas to improve octane and is debatably harmful to humans. Particles emitted from automobiles using MMT are studied for the chemical and physical characteristics of manganese in the exhaust.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1999
User Contributions:
Comment about this article or add new information about this topic:
Increases in total and methylmercury in zooplankton following flooding of a peatland reservoir
Article Abstract:
Researchers from Canada revealed that reservoir creation and flooding result in a huge increase of methylmercury concentrations in zooplanktons, seston and water. The scientists used an experimental peatland reservoir, Lake 979, in northwestern Ontario to conduct the tests.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1998
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: Effect of aluminum competition on lead and cadmium binding to humic acids at variable ionic strength. Mobility and bioavailability of lead in contaminated boreal forest soil
- Abstracts: Biotransformation of uranium compounds in high ionic strength brine by a halophilic bacterium under denitrifying conditions
- Abstracts: Accumulation of Heavy Metals by Individually Analyzed Bacterial Cells and Associated Nonliving Material in Polluted Lake Sediments
- Abstracts: Design of an inentory system for the volatile organic compounds emitted by various activities
- Abstracts: An historical record of toxaphene and its congeners in a remote lake in Western Europe. Identifying sources and mass balance of dioxin pollution in Lake Shinji Basin, Japan