【摘要】 本文采用非平衡晶化法通过在晶化后期补加原料合成了一系列不同晶粒尺寸的水滑石LDH样品研究表明非平衡晶化法可在一定范围内调控LDH的粒径所合成的LDH样品组成稳定晶体结构完整。更多还原

【Abstract】 Mg /Al-layered double hydroxides(LDH)with different particle size have been prepared using non-equilibrium aging conditions b y supplying a solution of Mg (NO3)2·6H2O and Al (NO3)3·9H2O and a solution containing NaOH and Na 2CO3 at a later aging stage.It was found th at the particle size of LDH could be controlled to some extent by changing the quantities of salt and base added in the second step.Furthermore it was foun d that LDH samples with a stable composition and increased crystallinity could be synthesized by this method.更多还原