MEASUREMENT AND THEORETICAL APPROACH OF THE THIRD METASTABLE ZONE OF CRYSTALLIZATION

Liu Junji; Shi Yuwen and Song Shimo(Chemistry Department of Tianjin University; Tianjin 300072)

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MEASUREMENT AND THEORETICAL APPROACH OF THE THIRD METASTABLE ZONE OF CRYSTALLIZATION

更新时间：2025-12-16

- MEASUREMENT AND THEORETICAL APPROACH OF THE THIRD METASTABLE ZONE OF CRYSTALLIZATION
- CIESC Journal Issue 3, (1994)
- 作者机构：
  
  天津大学化学系!天津300072,天津大学化学系!天津300072,天津大学化学系,天津,300072
- 作者简介：
- 基金信息：
- DOI：
  CLC： 645
- Online First：25 June 1994，
  
  Published：25 June 1994
- 稿件说明：
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Liu Junji, Shi Yuwen and Song Shimo(Chemistry Department of Tianjin University, Tianjin 300072). MEASUREMENT AND THEORETICAL APPROACH OF THE THIRD METASTABLE ZONE OF CRYSTALLIZATION[J]. CIESC Journal, 1994, (3).
DOI：

Liu Junji, Shi Yuwen and Song Shimo(Chemistry Department of Tianjin University, Tianjin 300072). MEASUREMENT AND THEORETICAL APPROACH OF THE THIRD METASTABLE ZONE OF CRYSTALLIZATION[J]. CIESC Journal, 1994, (3). DOI：

摘要

提出溶液结晶第3亚稳区的概念

并对NaNO_3、KClO_3、K_2Cr_2O_7及H_3BO_3水溶液的第3亚稳区宽度进行测定

发现第3亚稳区宽度比第1及第2亚稳区要宽得多

是更为接近均相成核时的亚稳区.将描述均相成核的经典成核理论应用于第3亚稳区的计算

得到了用其它方法很难得到的固液界面张力σ、临界核半径r及临界核所含溶质分子数i.

Abstract

The concept of "the third metastable zone" of crystallizaton from aqueous solution is proposed in this paper. The width of the metastable zone is found much wider than the first one and the second one by measuring a few kinds of aqueous solution of salts. In addition

the solid -liquid interfacial tension σ

the radius of critical nucleus r* and the number of molecules in a critical nucleus i* are obtained by processing the experiment data with classical homogeneous nucleation theory.

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