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A METHOD FOR EXCHANGING INTERLAYER ANIONS OF A LAYERED DOUBLE HYDROXIDE
A METHOD FOR EXCHANGING INTERLAYER ANIONS OF A LAYERED DOUBLE HYDROXIDE
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机译:一种交换层状双氢氧化物层间阴离子的方法
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摘要
The invention relates to a method for exchanging interlayer anions of a layered double hydroxide (LDH) with other anions whose affinity for the LDH is lower than the one of the starting interlayer anions, which comprises the successive steps of: (1) exchanging the starting interlayer anions of a layered double hydroxide with polyoxometalate anions in order to obtain a layered double hydroxide with polyoxometalate anions as interlayer anions, and (2) exchanging the polyoxometalate anions of the layered double hydroxide obtained in step (1) with other anions whose affinity for the LDH is lower than the one of the starting interlayer anions in order to obtain a layered double hydroxide with other anions as interlayer anions.
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