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...Application note basic principles of particle size analysis what is a shape this may seem fairly stupid question to ask however it fundamental in order understand the results which come from various techniques dispersion processes and materials makes more complex matter than first appears conundrum imagine that i give you matchbox ruler tell me reply saying x mm cannot correctly say as only one aspect its so not possible for describe dimensional with unique number obviously situation difficult like grain sand or pigment can paint if am q manager will want my particles need know average has increased decreased since last production run example problem how do we object malvern instruments worldwide sales service centres over countries www com contact limited figure shows some grains are they equivalent sphere there be described by have describes exactly same even cube where refer an edge diagonal our properties weight single volume surface area technique measures then convert into rememb...