用Ni(OH)2浆液水热氢还原法制备了纳米金属镍粉.通过对不同反应阶段样品性质的分析.研究了反应的机制.结果表明.在酸性条件下.通过复盐离解出的镍离子在溶液中与氢发生反应:在碱性条件下.Ni(OH)2固体颗粒直接与活性氢发生反应
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