摘要
在水热条件下,以钨酸钠为原料,通过调节反应的pH值、酸的量浓度、反应温度及反应时间,找到了制备较佳焦绿石型WO_3超细粉体的规律.采用TG,XRD,IR,EPMA等测试手段对样品进行了表征,产物为立方晶系的焦绿石型WO_3超微粉体,粒径大小约为24nm.
Under hydrothermal conditions, the rule was found for the preparation of superfine powder of pyrochlore - type tungsten trioxide by changing the pH value of the system, concentration of the acid, reaction temperature and time. The products were characterized by XRD, TG, IR and EPMA. The results reveal that the compound is the superfine powder of cubic pyrochlore-type tungsten trioxide with the particle size 24nm.
出处
《哈尔滨理工大学学报》
CAS
2002年第6期70-71,74,共3页
Journal of Harbin University of Science and Technology
基金
国家自然科学基金资助(20101003)
