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Preparation, the rmodynamic and catalytic kinetic properties of nano Zinc oxide
Author(s): 
Pages: 19-23
Year: Issue:  4
Journal: Laboratory Science

Keyword:  纳米氧化锌溶胶-凝胶法结构表征热力学催化动力学;
Abstract: 利用溶胶-凝胶法制备出纳米ZnO,通过丁达尔现象、XRD、SEM、谢乐公式对样品进行了结构表征;分别测定了自制纳米ZnO、普通ZnO、市售纳米ZnO与盐酸的摩尔反应焓,求得三种ZnO的25℃的标准摩尔生成焓;利用分光光度法研究上述三种不同微观尺寸ZnO样品对酸性红水溶液的超声催化降解反应的动力学.实验结果表明,材料的尺度和结构对其性质有显著的影响.本实验以纳米氧化锌为主线,内容涉及纳米材料的制备与表征、热力学和动力学实验,可作为一个基础性和研究性兼具的物理化学综合性新实验.
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