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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
The diverse chemical forms of heavy metals in tissue extracts of some metallophytes from Shaba Province, Zaïre
Phytochemistry, Volume 20, No. 3, Year 1981
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Description
Copper and cobalt were determined in tissue extracts of five metallophytes from Shaba Province, Zaïre. About 4O% of the cobalt and copper was extractable into deionized water and a further 4O% was extractable in 0.2M hydrochloric acid. It was concluded that copper and cobalt are bound to several different ligands instead of a single ligand as in the case of nickel hyperaccumulators. Proton microprobe studies on the cobalt accumulator Haumaniastrum robertii showed a strong inverse correlation between the spatial distributions of cobalt and potassium, as well as a direct relationship between cobalt and calcium. It is suggested that some of the cobalt may be immobilized with calcium in oxalate crystals. © 1981.
Authors & Co-Authors
Morrison, R. S.
New Zealand, Palmerston North
Massey University
Brooks, Robert R.
New Zealand, Palmerston North
Massey University
Reeves, R. D.
New Zealand, Palmerston North
Massey University
Malaisse, François P.
Democratic Republic Congo
Université Nationale du Zaïre
Horowitz, Paul
Democratic Republic Congo
Université Nationale du Zaïre
Aronson, Michael
United States, Cambridge
Harvard University
Merriam, George R.
Democratic Republic Congo
Université Nationale du Zaïre
United States, Bethesda
National Institutes of Health Nih
Statistics
Citations: 48
Authors: 7
Affiliations: 4
Identifiers
Doi:
10.1016/S0031-9422(00)84165-5
ISSN:
00319422
Research Areas
Environmental