ISO 20998-1-2006 利用声学法测量和表征粒子特性.第1部分:超声波衰减光谱图的概念和方法

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标准号:ISO 20998-1-2006
中文标准名称:利用声学法测量和表征粒子特性.第1部分:超声波衰减光谱图的概念和方法
英文标准名称:Measurement and characterization of particles by acoustic methods - Part 1: Concepts and procedures in ultrasonic attenuation spectroscopy
标准类型:A42
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:A42
国际标准分类号:19.120
适用范围:This part of ISO 20998 describes ultrasonic methods for determining the size distributions of one or more material phases dispersed in a liquid. Colloids, dispersions, slurries and emulsions are within the scope of this part of ISO 20998. The typical particle size for such analysis ranges from 10 nm to 3 mm, although particles outside this range have also been successfully measured. Measurements can be made for concentrations of the dispersed phase ranging from 0,1 % by volume up to 50 % or more by volume, depending on the density contrast between the continuous and the dispersed phases. These methods can be used to monitor dynamic changes in the size distribution, including agglomeration or flocculation in concentrated systems.

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