Glossary
Glossary
d50 (median particle size)
The particle size below which half of a powder, by volume, falls.
d50 is the median of a particle size distribution. If a micronized barite has a d50 of 5 µm, half of its volume is in particles finer than 5 µm and half in coarser particles.
d50 describes the middle of the distribution. To understand how coarse the largest particles are, look at the d97 as well.
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