Metastable Zone Width of Borax Aques Solution

Sun Changgui; Shen Guoliang; Xu Weiqin and Shen ZiqiuResearch Institute of Chemical Engineering Dalian University of Technology; Liaoning Dalian

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Metastable Zone Width of Borax Aques Solution

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- Metastable Zone Width of Borax Aques Solution
- CIESC Journal Issue 2, (1991)
- 作者机构：
  
  大连理工大学化学工程研究所,大连理工大学化学工程研究所,大连理工大学化学工程研究所,大连理工大学化学工程研究所辽宁,大连,中科院化工冶金研究所,,,辽宁,大连,辽宁,大连,辽宁,大连
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 April 1991，
  
  Published：25 April 1991
- 稿件说明：
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Sun Changgui, Shen Guoliang, Xu Weiqin and Shen ZiqiuResearch Institute of Chemical Engineering Dalian University of Technology, et al. Metastable Zone Width of Borax Aques Solution[J]. CIESC Journal, 1991, (2).
DOI：

Sun Changgui, Shen Guoliang, Xu Weiqin and Shen ZiqiuResearch Institute of Chemical Engineering Dalian University of Technology, et al. Metastable Zone Width of Borax Aques Solution[J]. CIESC Journal, 1991, (2). DOI：

摘要

在一套计算机控制程序降温-激光自动检测晶体粒子出现的装置上

测定了硼砂水溶液于不同冷却速率下的介稳区宽度.考察了溶解于溶液中的微量正戊烷对溶解度和介稳区宽度的影响.根据理论模型

由实验数据获得了硼砂水溶液的真实成核级数n

及与最大过冷度相应的各成核特征值.

Abstract

The model used as the basis for the calculation of nucleation Kinetics from measurements of the widths of the metastable zone was refined. Metastable zone widths

represented by the critical under-cooling at which crystalline particles being first detected

were determined for the aqueous solution of sodium tetraborate decahydrate (borax) by using an apparatus equipped with computer and laser measuring device. The effects of trace amounts of n-pentane in the solution on the solubility and metastable zone width were investigated. Nucleation parameters were obtained and discussed in terms of the refined model.

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