应用化学 ›› 1997, Vol. 0 ›› Issue (4): 102-104.

• 研究论文 • 上一篇    下一篇

肼对热分解法制氧化钇比表面积的影响

吴介达1, 陆世鑫2, 王振华2, 王晔明2   

  1. 1. 同济大学化学系, 上海200092;
    2. 上海跃龙有色金属有限公司, 上海
  • 收稿日期:1996-09-23 修回日期:1997-04-18 出版日期:1997-08-10 发布日期:1997-08-10
  • 基金资助:
    上海市自然科学基金

Effect of Hydrazine on the Specific Surface of Y 2O 3 Prepared by Thermal Decomposition

Wu Jieda1, Lu Shixin2, Wang Zhenhua2, Wang Yeming2   

  1. 1. Department of Chemistry, Tongji University, Shanghai 200092;
    2. Yue Long Non Ferrous Metals Company Limited, Shanghai
  • Received:1996-09-23 Revised:1997-04-18 Published:1997-08-10 Online:1997-08-10

摘要: 氧化钇是一种需求量大、用途广的材料.常用草酸钇热分解制备而成,比表面积为2~4m2/g(800~1000℃,2h).近期,市场要求提供具有一定比表面积的氧化钇(1000℃灼失量<1%,比表面积分别为5~7m2/g、8~10m2/g和11~15m2/g,价格为45~50美元/kg).文献[1]提出,钇的柠檬酸盐热分解,能制备出比表面积为24m2/g,粒度为0.04μm的氧化钇,但该法不便与现有的生产工艺衔接.文献[2~8]列出了用醇盐-水解法、沉淀法、化学法及共沸蒸馏法制备超细和大比表面积氧化钇(或掺氧化钇的氧化锆粉),但这些方法不够简单、经济。

关键词: 氧化钇, 肼, 比表面积

Abstract: The effects of hydrazine as an additive on the specific area of Y 2O 3, when the latter is prapared by thermal decomposition method from yttrium oxalate, have been studied. The Y 2O 3 sample with specific area of 30.m 2/g was obtained.

Key words: yttrium oxide, hydrazine, specific area