Calibration for measured crystal size distribution

被引：2
|
作者：
Bao, Y
Zhang, JL
Yin, QX
Wang, JK
机构：
[1] Tianjin Univ, Sch Chem Engn & Technol, State Res Ctr Industrializat Crystallizat Technol, Tianjin 300072, Peoples R China
[2] Tianjin Econ & Technol Dev Area, Post Doctoral Stn, Tianjin 300457, Peoples R China
来源：
POWDER TECHNOLOGY | 2006年 / 161卷 / 03期
关键词：
CSD; shape factor; crystal growth; calibration;
D O I：
10.1016/j.powtec.2005.11.003
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The crystal size distribution (CSD) measured by laser diffraction technique is obtained by assuming spherical crystals. If crystals are nonspheres, calibration is responsible for the true crystal size, particle number concentration and population density. In this paper, CSD calibration equations have been deduced. It was shown that when shape factors are size-independent, the weight percent of particles is not affected by crystal shape and calibration is just a horizontal shift of measured CSD. Calibration was taken for plate-like crystals of cefazolin sodium and rod-like crystals Of L-threonine. The effect of CSD calibration on crystal growth kinetics has been investigated in L-threonine-water evaporation crystallization system. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：242 / 247
页数：6
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