| 12-钨钼硅系杂多酸的热稳定性和酸催化性能的研究 |
| |
| 引用本文： | 侯文华,颜其洁. 12-钨钼硅系杂多酸的热稳定性和酸催化性能的研究[J]. 无机化学学报, 1991, 7(3): 366-369 |
| |
| 作者姓名： | 侯文华 颜其洁 |
| |
| 作者单位： | 南京大学化学系 南京210008(侯文华)，南京大学化学系 南京210008(颜其洁) |
| |
| 摘 要： | 引言近年来,杂多酸及其盐炎在催化领域内受到人们的普遍关注.对以P为杂原子的杂多酸的热稳定性和酸性已有大量研究报道.对以Si为杂原子的12-钼硅酸和12-钨硅酸虽也有过考察,但系统研究改变多原子组成对12-钨钼硅系杂多酸的热稳定性和酸性的影响则尚未见报道.本文考察了H_4SiMo_(12-n)W_nO_(40)(n=0,3,6,9,12)的热稳定性和酸催化性能.
|
| 关 键 词： | 12-钨钼硅系杂多酸 热稳定性 酸催化性能 |
| 收稿时间： | 1989-03-18 |
A STUDY ON THE THERMAL STABILITIES AND CATALYTIC PROPERTIES OF 12-TUNGSTOMOLYBDOSILICIC ACIDS |
| |
| Hou Wenhua and Yan Qijie. A STUDY ON THE THERMAL STABILITIES AND CATALYTIC PROPERTIES OF 12-TUNGSTOMOLYBDOSILICIC ACIDS[J]. Chinese Journal of Inorganic Chemistry, 1991, 7(3): 366-369 |
| |
| Authors: | Hou Wenhua and Yan Qijie |
| |
| Affiliation: | Chemistry Department, Nanjing University, Nanjing 210008 and Chemistry Department, Nanjing University, Nanjing 210008 |
| |
| Abstract: | Hctcropolyacids H4SiMo12-nWnO40(n = 0,3,6,9,12) have been prepared. The thermal stabilities of all samples have been determined by use of IR, XRD, LRS, XPSand DTA. With the probe of 2-propanol dehydration reaction, the samples' acid catalytic properties have been studied. It is shown that the thermal stabilities and catalytic activities of hctcropolyacids increase linearly with the number of atom W in the samples. With increasing the calcination temperatures, hctcropolyacids containing W atom decompose to form WO3, but no crystalline MoO3 observed within our experimental temperatures. |
| |
| Keywords: | 12-tungstomolybdoslllele acid thermal stability acid catalytic property |
| 本文献已被 CNKI 维普 等数据库收录！ |
| 点击此处可从《无机化学学报》浏览原始摘要信息 |
|
点击此处可从《无机化学学报》下载全文 |
|
