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This work describes investigations into the role that biotic and abiotic mechanisms play in the manganese redox cycle in a freshwater dam over a twelve month period. Enzymatic control of manganese oxidation was taking place with a temperature optimum of approx. 30°C. Manganese oxidation was only significant above about 19°C. The temperature and season play vital roles in determining the extent...
In dichloroethane oxygen transfer from Ph 4 PHSO 5 to manganese(III) porphyrins forming the corresponding ore-species, which then oxidize organic substrates, occurs only in the presence of basic species acting as axial ligands. Together with neutral nitrogen bases such as pyridines and imidazole, anionic bases, i.e., ClO, SO, and CH 3 CO, promote the formation of oxomanganese...
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