Spontaneous crystallization of sodium chloride firom aqueous-ethanol solutions - Part 2: Mechanism of aggregation and coalescence of crystals

被引：8

作者：

Linnikov, OD ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Solid State Chem, Ural Branch, Ekaterinburg 620219, Russia

来源：

CRYSTAL RESEARCH AND TECHNOLOGY | 2006年 / 41卷 / 02期

关键词：

sodium chloride; crystallization; coalescence; aggregation of crystals; specific surface energy;

D O I：

10.1002/crat.200510545

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Published data on aggregation kinetics of sodium chloride crystals at its spontaneous crystallization from supersaturated aqueous-ethanol solutions were analysed. It was found that the crystals coalesced through contact nucleus-bridges between them according to the mechanism proposed by Polak. The kinetics of aggregation were described by the Smoluchowski equation for coagulation of colloidal particles. The kinetic coefficient of aggregation process depended on supersaturation, temperature of solution and other characteristics of the system. The specific surface energy of sodium chloride 0.95 mJ/m(2) was found. (c) 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：138 / 144

页数：7

共 12 条

[1] Spontaneous crystallization of potassium chloride from aqueous and aqueous-ethanol solutions Part 2: Mechanism of aggregation and coalescence of crystals
Linnikov, OD
CRYSTAL RESEARCH AND TECHNOLOGY, 2004, 39 (06) : 529 - 539
[2] Spontaneous crystallization of sodium chloride from aqueous-ethanol solutions - Part 1: Kinetics and mechanism of the crystallization process
Linnikov, OD
CRYSTAL RESEARCH AND TECHNOLOGY, 2006, 41 (01) : 10 - 17
[3] Spontaneous crystallization of sodium chloride from aqueous-ethanol solutions; Part 3: Examination of a model of the crystallization process
Linnikov, Oleg D.
CRYSTAL RESEARCH AND TECHNOLOGY, 2007, 42 (08) : 758 - 765
[4] Spontaneous crystallization of potassium chloride from aqueous and aqueous-ethanol solutions Part 1: Kinetics and mechanism of the crystallization process
Linnikov, OA
CRYSTAL RESEARCH AND TECHNOLOGY, 2004, 39 (06) : 516 - 528
[5] Spontaneous crystallization of potassium chloride from aqueous and aqueous-ethanol solutions; Part 3: Model of the crystallization process
Linnikov, Oleg D.
CRYSTAL RESEARCH AND TECHNOLOGY, 2006, 41 (10) : 988 - 996
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[8] Copolymerization of Sodium 2-Acrylamido-2-Methylpropane-1-Sulfonate with N-Vinylpyrrolidone in Aqueous-Ethanol Solutions
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T. A. Zhelonkina
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Russian Journal of Applied Chemistry, 2005, 78 : 1668 - 1673
[9] Copolymerization of sodium 2-acrylamido-2-methylpropane-1-sulfonate with N-vinylpyrrolidone in aqueous-ethanol solutions
Kurenkov, VF
Zhelonkina, TA
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Lobanov, FI
RUSSIAN JOURNAL OF APPLIED CHEMISTRY, 2005, 78 (10) : 1668 - 1673
[10] STRUCTURE OF FROZEN WATER-SALT SOLUTIONS OF ORGANIC-SUBSTANCES .2. CRYSTALLIZATION MECHANISM OF SODIUM-CHLORIDE SOLUTIONS, CONTAINING AN ORGANIC-ADDITION
MIKHALEV, OI
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ZHURNAL FIZICHESKOI KHIMII, 1984, 58 (03): : 635 - 639

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