Distribuirea mărimii particulelor influenţează proprietăţile fizice şi chimice ale materialelor solide. Prin urmare, acest criteriu este extrem de important în contextul ştiinţific şi al controlului de calitate. Numai dacă distribuirea mărimilor rămâne constantă se poate garanta o calitate stabilă a produsului, după cum arată următoarele exemple:
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Particle size analysis and particle size distribution are important criteria for the quality control of bulk materials. In a running production process, the results of a quality check must be available quickly to allow for immediate adjustment of the production parameters. Depending on the expected particle size and sample volume, different sieving methods and sieving machines are suitable for analysis. The method used for particle size analysis is primarily determined by the fineness of the material to be sieved. For dry sieving of samples with particle sizes below 40 microns, air jet sieving is the method of choice.
