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采用非稳态共沉淀法制备了 Ｚｎ Ｌａ Ａｌ 型混合金属氢氧化物纳米颗粒材料，研究了沉淀过程的机理、产品的化学组成、粒度、晶态、等电点和红外光谱等，考察了沉淀剂（ Ｎ Ｈ４ Ｏ Ｈ、 Ｎａ Ｏ Ｈ 和 Ｋ Ｏ Ｈ） 对产品性能的影响
Zn-La-Al mixed metal hydroxide nanoparticles were prepared by unsteady coprecipitation method. The mechanism of the precipitation process, the chemical composition, particle size, crystalline state, isoelectric point and infrared spectra of the Zn-La- Effect of Precipitants (N H4 O H, Na O H and K O H) on Product Properties