| 具有Dawson结构的钼钒磷杂多酸的制备和性质研究 |
| |
| 引用本文： | 王恩波,高丽华,刘景福,刘宗绪,阎德环.具有Dawson结构的钼钒磷杂多酸的制备和性质研究[J].化学学报,1988,46(8):757-762. |
| |
| 作者姓名： | 王恩波 高丽华 刘景福 刘宗绪 阎德环 |
| |
| 作者单位： | 东北师范大学化学系 |
| |
| 摘 要： | 本文报道用改良的分步处理合成方法, 直接制备了五种未见报道的2:18系列钼钒磷杂多酸, 详细考察了它们的生成条件. 经元素分析、电位滴定和差热热重分析确定阴离子的组成分别为P2Mo17VO62]^7^-,P2Mo16V2O62]^8^-,P2Mo15V3O62]^9^-, P2Mo14V4O62H2]^8^-, P2Mo13V5O62H2]^9^-. 对五种杂多酸的热化学性质和碱度进行了讨论. 根据紫外、红外及X射线衍射结果讨论了它们的结构, 表明都属于具有Dawson结构的杂多化合物.
|
| 关 键 词： | 红外分光光度法 杂多酸 催化剂 Ｘ射线衍射分析 电位滴定 热稳定性 结构分析 磷酸盐P 热重量分析 差热分析 |
Preparation and properties of the molybdovanadophosphoric acids with Dawson structure |
| |
| WANG ENBO,GAO LIHUA,LIU JINGFU,LIU ZONGXU,YAN DEHUAN.Preparation and properties of the molybdovanadophosphoric acids with Dawson structure[J].Acta Chimica Sinica,1988,46(8):757-762. |
| |
| Authors: | WANG ENBO GAO LIHUA LIU JINGFU LIU ZONGXU YAN DEHUAN |
| |
| Abstract: | Five free molybdovanadophosphoric acids having Dawson structure were prepared by the use of an improved procedure. The effect of reaction conditions on the formation of the 5 heteropolyacids was studied. The constitutions of these heteropolyanions are P2Mo17VO62]7-, P2Mo16V2O62]8-, P2Mo15V3O62]9-, P2Mo14V4O62H2]8-, P2Mo13V5O62H2]9-. TGA and DTA were performed on these heteropolyacids. Potentiometric titration, IR and UV spectra and x-ray power diffraction were studied. |
| |
| Keywords: | INFRARED SPECTROPHOTOMETRY HETEROPOLYACID CATALYST X-RAY DIFFRACTION ANALYSIS POTENTIOMETRIC TITRATION THERMAL STABILITY STRUCTURAL ANALYSIS PHOSPHATE P THERMOGRAVIMETRY DIFFERENTIAL THERMAL ANALYSIS |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《化学学报》浏览原始摘要信息 |
| 点击此处可从《化学学报》下载免费的PDF全文 |
|
