ON THE CHEMISTRY OF KANEMITE [NAHSI2O5.3 H2O](X)

被引：18

作者：

WIEKER, W ^{[1
]}

HEIDEMANN, D ^{[1
]}

EBERT, R ^{[1
]}

TAPPER, A ^{[1
]}

机构：

[1] HOECHST AG,D-50351 HURTH,GERMANY

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1995年 / 621卷 / 10期

关键词：

PROTONATED SODIUM LAYER SILICATE HYDRATE; SI-29-; NA-23- AND H-1-MAS-NMR; DEHYDRATION;

D O I：

10.1002/zaac.19956211029

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Starting from delta-Na2Si2O5 Kanemit was prepared by a direct exchange of Na+ by H+ in water containing reaction mixtures. By Si-29-, Na-23- and H-1-MAS-NMR investigations Kanemit was characterized as a layersilicate [NaHSi2O5 ... 3 H2O]. By thermal treatment as well as by dehydration at room temperature under vacuum conditions a monohydrate is formed in which the layerstructure remains nearly unchanged. At temperatures between 100 and 110 degrees C under normal conditions a hydrate phase of the composition [NaHSi2O5 . 0.25 H2O](x) is prepared in which a changed silicate-layerstructure exists.

引用

页码：1779 / 1784

页数：6

共 12 条

[1] [Anonymous], B GROUPE FRANCAIS AR
[2] BENEKE K, 1977, AM MINERAL, V62, P763
[3] Engelhardt G., 1987, HIGH RESOLUTION SOLI
[4] HEIDEMANN D, 1992, Z ANORG ALLG CHEM, V617, P1
[5] HEIDEMANN D, 1987, THESIS AKADEMIE WISS
[6] JOHAN Z, 1972, B SOC FR MINERAL CR, V95, P71
[7] STRUCTURAL STUDIES OF SILICATES BY SOLID-STATE HIGH-RESOLUTION SI-29 NMR
LIPPMAA, E
MAGI, M
SAMOSON, A
ENGELHARDT, G
GRIMMER, AR
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1980, 102 (15) : 4889 - 4893
[8] Massiot D., 1994, BRUKER REPORT, V140, P43
[9] MULLER D, 1982, ANN PHYS-LEIPZIG, V39, P451, DOI 10.1002/andp.19824940607
[10] A SI-29 MAS NMR-STUDY OF TETRAHEDRAL SITE DISTRIBUTIONS IN THE LAYERED SILICIC-ACID H+-MAGADIITE (H2SI14O29.NH2O) AND IN NA+-MAGADIITE (NA2SI14O29.NH2O)
PINNAVAIA, TJ
JOHNSON, ID
[J]. JOURNAL OF SOLID STATE CHEMISTRY, 1986, 63 (01) : 118 - 121

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