[Case Study] Dependence of Zeolite Particle Size Distribution on Grinding Time

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**Conclusion** In the particle size distribution, the peak value (mode) of the particle size was 0.4μm for a grinding time of 1 hour. After 2 hours of grinding, it was 0.1μm. The standard deviation, which represents the variability of the particle size, decreased as the grinding time increased. However, beyond 2 hours, it saturated and remained almost constant at 3μm. From this, we can say the following regarding the relationship between the particle size distribution of zeolite at D18S and the grinding time within the experimental range: (1) The particle size (mode) tends to decrease with longer grinding times. Beyond 2 hours, it remains almost constant at 0.1μm. (2) The standard deviation representing variability decreases with longer grinding times. However, beyond 2 hours, it remains almost constant at 3μm. Thus, while longer grinding times lead to smaller particle sizes (mode) and reduced variability (standard deviation), these values become constant after 2 hours.

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Electronic component materials Conductive inks, conductive adhesives Insulating materials, sealing materials Pigments, glazes Metal (gold, silver, copper) pastes Glass pastes Carbon pastes Secondary batteries Lithium battery materials All-solid-state batteries Carbon nanotubes Ceramics materials Grinding wheels, abrasives, polishing agents Food (miso, red bean paste, spices, sesame, etc.) Biotechnology Pharmaceuticals, ointments Chemicals and cosmetics Chemistry and textiles Research and development equipment and devices Universities and research institutions Electronics Materials and substances Universities and research institutions Government agencies, organizations, associations Materials and substances