The sorption properties of carbon nanotubes modified with tetraphenylmethylenediphosphine dioxide in nitric acid media

被引：9
|
作者：
Turanov, A. N. [1 ]
Karandashev, V. K. [2 ]
Evseeva, N. K. [1 ]
Kolesnikov, N. N. [1 ]
Borisenko, D. N. [1 ]
机构：
[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Oblast, Russia
[2] Russian Acad Sci, Inst Microelect Technol & Ultra High Pur Mat, Chernogolovka 142432, Moscow Oblast, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2008年 / 82卷 / 13期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/S0036024408130116
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The distribution of microamounts of La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Y nitrates between aqueous solutions of HNO3 and multiwalled carbon nanotubes noncovalently modified with tetraphenylmethylenediphosphine dioxide (L) was considered depending on the concentration of HNO3 in the aqueous phase and L in the sorbent phase. Ln(III) ions were shown to pass to the sorbent phase in the form of solvated nitrates Ln(NO3)(3)L-3. The effectiveness of the extraction of such complexes decreases along the series of rare-earth metals as the atomic number of the element in the Periodic Table increases.
引用
收藏
页码：2223 / 2226
页数：4
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