| 三乙撑四胺六乙酸在络合返滴定测定钯中的研究 |
| |
| 引用本文： | 朱利亚,徐其亨.三乙撑四胺六乙酸在络合返滴定测定钯中的研究[J].分析试验室,1999,18(6):15-18. |
| |
| 作者姓名： | 朱利亚 徐其亨 |
| |
| 作者单位： | 1. 昆明贵金属研究所,昆明,650221
2. 云南大学化学系,昆明,650091 |
| |
| 摘 要： | 提出了在不同ｐＨ值下，络合返滴定三乙撑四胺六乙酸（ＴＴＨＡ）以测定钯的六个灵敏新指示剂体系；建立了以镧－ＤＢＳ－偶氮氯膦作为络合物滴定指示剂体系，研究了ＴＴＨＡ－Ｐｄ络合物的特性及反应机理。
|
| 关 键 词： | 滴定分析 三乙撑四胺六乙酸 络合滴定指示剂 钯 |
Research and Application of New Indicator Systems and Triethylenetetraminehexaacetic Acid in Complexometic Back-Titration of Palladium |
| |
| ZHU Li-ya,XU Qi-heng.Research and Application of New Indicator Systems and Triethylenetetraminehexaacetic Acid in Complexometic Back-Titration of Palladium[J].Chinese Journal of Analysis Laboratory,1999,18(6):15-18. |
| |
| Authors: | ZHU Li-ya XU Qi-heng |
| |
| Abstract: | Six new sensitive indicator systems for the determination of palladium by back titration of triethylenetetramine hexaacetic acid at different pH values have been given in this work.A new method of good selectivity and high accuracy with lanthanum DBS chloro phosphonazo as indicator system was established for the determination of palladium by back titration of TTHA.The properties and reaction mechanism of TTHA Pd complex were investigated also. |
| |
| Keywords: | Titrimetric analysis triethylenetetramine hexaacetic acid indicators systems for the determination palladium |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
