A STUDY OF IONIC ASSOCIATION IN AQUEOUS LANTHANIDE NITRATE SOLUTIONS BY ULTRASONIC ABSORPTION SPECTROSCOPY

被引:85
作者
GARNSEY, R
EBDON, DW
机构
[1] Department of Chemistry, University of Maryland, College Park
[2] Central Electricity Research Laboratories, Leatherhead
[3] Department of Chemistry, Eastern Illinois University, Charleston
关键词
D O I
10.1021/ja01029a011
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Ultrasonic absorption measurements over a frequency range of 10-250 MHz are reported for some trivalent lanthanide nitrates, perchlorates, and chlorides in aqueous solution. Thermodynamic and kinetic parameters for the formation of MNO32+ complexes of neodymium and gadolinium have been determined. The approximations and assumptions made in this calculation are discussed. Changes in relaxation frequency with cation across the lanthanide series are discussed in terms of changes in cation coordination number. © 1969, American Chemical Society. All rights reserved.
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页码:50 / &
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