几种异羟肟酸的酸解离常数测定和W(Ⅵ)—异羟肟酸配合物的合成及表征 |
DETERMINATION OF DISSOCIATION CONSTANTS OF SOME HYDROXAMIC ACIDS AND SYNTHESIS AND CHARACTERIZATION OF TUNGSTEN(Ⅵ)-HYDROXAMIC ACID COMPLEXES |
|
摘要: 用pH滴定法测得正辛基异羟肟酸n-C7H15CONHOH,α,ω—癸基二异羟肟酸α,ω—(CH2)5(CONHOH)2及对苯二异羟肟酸p-C6H4(CONHOH)2在30.0℃,0.1mol·l-1NaCl水溶液中的酸解离常数;制得这三种螯合剂与W(Ⅵ)摩尔配比依次为2:1、1:1及1:2的固体配合物;研究了它们的化学组成、溶解度、摩尔电导、热谱及红外光谱,对不同配合物的配位方式作出讨论. |
关键词: 异羟肟酸 酸解离常数 W(Ⅵ)—异羟肟酸配合物 配位方式 |
基金项目: |
Abstract: The dissociation constants of three hydroxamic acids n-C7H15CONHOH,α,ω-(CH2)5-(CONHOH)2, p-C6H4(CONHOH)2 in aqueous solution were pH-metrically determined in the presence of 0.1 mol·l-1NaCl at 30.0± 0.1℃. The three new solid complexes of tungsten(Ⅵ)-hydroxamates WO2(n-C7H15CONHO)2, WO2[α,ω-(CH2)l(CONHO)2], W2O5-[p-C6H4(CONHO)2]·2H2O were synthesized and characterized by ekmental analysis, solubility,molar conductance, infrared spectra and thermogravimetric studies. |
Keywords: hydroxamk aeid diasoelation constant of aeid tungsten(Ⅵ)-hydroxamk aeid eomplex coordination form |
投稿时间:1989-03-26 |
摘要点击次数: 2080 |
全文下载次数: 1407 |
崔美芳,顾翼东,黄永明,李洵微.几种异羟肟酸的酸解离常数测定和W(Ⅵ)—异羟肟酸配合物的合成及表征[J].无机化学学报,1991,7(4):394-398. |
查看全文 查看/发表评论 下载PDF阅读器 |
Support information: |
|
|
|