ISO 13320 : Particle size analysis — Laser diffraction methods
ISO 13320, 2nd Edition, January 2020 - Particle size analysis — Laser diffraction methods This International Standard provides guidance on instrument qualification and size distribution measurement of particles in many two-phase systems (e.g. powders, sprays, aerosols, suspensions, emulsions and gas bubbles in liquids) through the analysis of their light-scattering properties.