What is the difference between number distribution and mass (volume) distribution in particle size measurement?
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Even with the same particle size distribution, the way it is represented can greatly affect the shape of the distribution, so caution is required!
The number distribution is an image when measuring the size of particles with a microscope. In other words, it is a method of representing the number and size of particles as a distribution. In contrast, the mass (volume) distribution is an image when measuring the size of particles with a sieve. This means it is a method of representing the size of particles as a distribution of mass. Additionally, when measuring the particles by size (volume) instead of mass, it is referred to as volume distribution. Even with the same particle size distribution, the representation method (number distribution and volume distribution) can lead to significantly different shapes of the distribution, so caution is required. *For more details, please refer to the related links or feel free to contact us.*
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