THE INFLUENCE OF SURFACTANTS ON THE CRYSTALLIZATION OF CALCIUM-OXALATE HYDRATES

被引：9

作者：

FUREDIMILHOFER, H

TUNIK, L

BLOCH, R

GARTI, N

机构：

[1] Casali Institute of Applied Chemistry, The Fred and Nadine Hermann, Graduate School of Applied Sciences, Hebrew University of Jerusalem, Jerusalem

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1994年 / 248卷

关键词：

D O I：

10.1080/10587259408027180

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The influence of sodium dodecyl sulphate, SDS, dodecyl ammonium chloride, DDACl and octaethylene glycol mono-n-hexadecyl ether, C(16)EO(8), On the crystallization of calcium oxalate from 0.3 molar sodium chloride solutions is discussed. Under the given experimental conditions the thermodynamically stable monohydrate, COM was the predominant crystal form. Both ionic surfactants inhibited growth and aggregation of COM and, by preferential adsorption at different crystal faces, induced different habit modifications. In addition, micellar solutions of SDS promoted crystallization of the metastable calcium oxalate dihydrate, GOD. The nonionic surfactant, C(16)EO(8), Stimulated nucleation and/or initial crystal growth of COM, most probably by providing active centers for heterogeneous nucleation.

引用

页码：199 / 206

页数：8

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