Theory of droplet size distribution measurements in emulsions using ultrasonic spectroscopy

被引：71
作者：
McClements, DJ
Coupland, JN
机构：
[1] Biopolymers and Colloids Res. Lab., Department of Food Science, University of Massachusetts, Amherst
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 1996年 / 117卷 / 1-2期
关键词：
analysis; droplet size; emulsion; scattering theory; ultrasonic spectroscopy;
D O I：
10.1016/0927-7757(96)03673-4
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Ultrasonic spectroscopy is a rapid nondestructive method of measuring droplet size distributions in concentrated emulsions in situ. The ultrasonic velocity and attenuation coefficient of an emulsion are measured over a range of frequencies, and then multiple scattering theory is used to convert these measurements to a droplet size distribution. In this article we discuss the physical basis of ultrasonic spectroscopy, present mathematical equations for converting ultrasonic measurements to droplet size distributions, and discuss the advantages and limitations of the ultrasonic technique compared to other techniques.
引用
收藏
页码：161 / 170
页数：10
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