BS ISO 13318-3:2004
用离心液体沉淀法测定粒度分布.离心X射线法

Determination of particle size distribution by centrifugal liquid sedimentation methods - Centrifugal X-ray method

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标准号

BS ISO 13318-3:2004

发布

2004年

发布单位

英国标准学会

 

 

被代替标准

00/124006 DC:2000 BS 3406-6:1985

适用范围

13318-3:2004 describes a method for determining the particle size distributions of homogeneous particulate material using centrifugal sedimentation in a liquid. Solids concentrations are determined by the attenuation of an X-ray beam. The resulting signal enables conversion to a particle size distribution. The method of determining the particle size distribution described in this standard is applicable to powders which can be dispersed in liquids or powders which are present in slurry form. The typical particle size range for analysis is from 0,1 m to 5 m. The method is applicable to powders in which all particles have the same effective density, chemical composition and comparable shapes. Materials possessing elements with an atomic number greater than about 12 can be expected to produce adequate X-ray opacity. Particles should not undergo chemical or physical change in the suspension liquid. It is necessary that the particles have a higher density than that of the liquid.

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