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Process for preparing at least one cobalt and / or nickel salt of at least one Anderson-type heteropolyanion that mobilizes molybdenum and cobalt or nickel in its structure
Process for preparing at least one cobalt and / or nickel salt of at least one Anderson-type heteropolyanion that mobilizes molybdenum and cobalt or nickel in its structure
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机译:制备至少一种安德森型杂多阴离子的至少一种钴和/或镍盐的方法,该阴离子在其结构中动员钼和钴或镍
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摘要
PROBLEM TO BE SOLVED: To provide a process for preparing a solution formed by at least one cobalt and/or nickel salt of at least one heteropolyanion combining molybdenum and cobalt or molybdenum and nickel in its structure, which can be carried out at an industrial scale.;SOLUTION: The preparation process comprises: (a) mixing at least one source of molybdenum and at least one oxidizing compound in aqueous solution to synthesize peroxomolybdate ions at an acidic pH, the (oxidizing compound/molybdenum source) molar ratio being in the range 0.1 to 20; and (b) introducing at least one cobalt precursor and/or at least one nickel precursor into the solution from the step (a) to form a solution comprising at least the salt in which the (Co+Ni)/Mo molar ratio is in the range 0.25 to 0.85.;COPYRIGHT: (C)2008,JPO&INPIT
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