REEXPANSION OF COLLAPSED LI-MONTMORILLONITES - EVIDENCE ON THE LOCATION OF LI+ IONS

被引：17

作者：

TRILLO, JM

ALBA, MD

ALVERO, R

CASTRO, MA

机构：

来源：

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS | 1993年 / 24期

关键词：

D O I：

10.1039/c39930001809

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Reexpansion of Li-montmorillonites previously collapsed at 300-degrees-C has been attained under high vapour water pressures, and direct experimental evidence on the location of Li+ ions in the hexagonal holes of the collapsed structure is provided.

引用

页码：1809 / 1811

页数：3

共 22 条

[1] CATION MIGRATION INTO EMPTY OCTAHEDRAL SITES AND SURFACE PROPERTIES OF CLAYS [J].

CALVET, R ;

PROST, R .

CLAYS AND CLAY MINERALS, 1971, 19 (03) :175-&

[2] A SEMI-EMPIRICAL QUANTUM-CHEMICAL RATIONALIZATION OF THE CORRELATION BETWEEN SIOSI ANGLES AND SI-29 NMR CHEMICAL-SHIFTS OF SILICA POLYMORPHS AND FRAMEWORK ALUMINOSILICATES (ZEOLITES) [J].

ENGELHARDT, G ;

RADEGLIA, R .

CHEMICAL PHYSICS LETTERS, 1984, 108 (03) :271-274

[3]

Farmer V.C., 1967, CLAYS CLAY MINERALS, V15, P121

[4]

GONZALEZGARCIA F, 1949, AN FIS QUIM, V45, P1183

[5]

Greene-Kelly R., 1953, CLAY MIN B, V2, P52

[6]

GREENEKELLY R, 1952, CLAY MINERALS B, V1, P121

[7]

Hofmann U., 1950, Z ANORG CHEM, V262, P95, DOI [10.1002/zaac.19502620114, DOI 10.1002/ZAAC.19502620114]

[8] CHARGE REDUCTION, OCTAHEDRAL CHARGE, AND LITHIUM RETENTION IN HEATED, LI-SATURATED SMECTITES [J].

JAYNES, WF ;

BIGHAM, JM .

CLAYS AND CLAY MINERALS, 1987, 35 (06) :440-448

[9] HIGH-RESOLUTION MULTINUCLEAR NMR-STUDY OF CATION MIGRATION IN MONTMORILLONITE [J].

LUCA, V ;

CARDILE, CM ;

MEINHOLD, RH .

CLAY MINERALS, 1989, 24 (01) :115-119

[10] SOLID-STATE HIGH-RESOLUTION SI-29 CHEMICAL-SHIFTS IN SILICATES [J].

MAGI, M ;

LIPPMAA, E ;

SAMOSON, A ;

ENGELHARDT, G ;

GRIMMER, AR .

JOURNAL OF PHYSICAL CHEMISTRY, 1984, 88 (08) :1518-1522

← 1 2 3 →