| http://www.w3.org/ns/prov#value | - It is possible, however, to operate at temperatures higher than ambient, for example up to 70??? C. By operating under these conditions and for a period of the order of 1-4 hours, molybdenum is solubilized in the form of alkali metal molybdate, while the other metals, such as iron, cobalt and nickel precipitate in the form of hydroxides.
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