ZIRCONIUM 2-AMINO ETHYL PHOSPHONATE - PREPARATION, CHARACTERIZATION AND PRELIMINARY-STUDY OF ITS ELECTRICAL-CONDUCTIVITY AND INTERCALATION PROPERTIES

被引：30

作者：

CASCIOLA, M ^{[1
]}

COSTANTINO, U ^{[1
]}

PERAIO, A ^{[1
]}

REGA, T ^{[1
]}

机构：

[1] ISRIM,I-05100 TERNI,ITALY

来源：

SOLID STATE IONICS | 1995年 / 77卷

关键词：

D O I：

10.1016/0167-2738(94)00273-U

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：

Zirconium 2-amino ethyl phosphonate in the chloride form (alpha-Zr(O3P(CH2)(2)NH3+Cl-)(2)) was prepared by precipitating Zr-IV with 2-amino ethyl phosphonic acid in the presence of hydrofluoric and hydrochloric acids. The compound is stable up to about 300 degrees C and possesses an alpha-type layered structure with the pendant alkyl chains oriented into the interlayer region where chloride ions are also accommodated; the interlayer distance is 14.3 Angstrom. The titration with 0.1 M NaOH leads to the exchange of OH- for Cl- and to the formation of alpha-Zr(O3P(CH2)(2)NH2)(2).2H(2)O (interlayer distance of 12.3 Angstrom) which is able to intercalate PI-alkyl carboxylic acids from 0.1 M aqueous solutions at 75 degrees C. alpha-Zr(O3P(CH2)(2)NH3+Cl-)(2) and anhydrous alpha-Zr(O3P(CH2)(2)NH2)(2) were also investigated by conductivity measurements above 100 degrees C by using the complex impedance technique.

引用

页码：229 / 233

页数：5

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