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ISO 20998-2:2013WithdrawnMeasurement and characterization of particles by acoustic methods — Part 2: Guidelines for linear theoryISO 21501-1:2009WithdrawnDetermination of particle size distribution — Single particle light interaction methods — Part 1: Light scattering aerosol spectrometerISO 21501-4:2007WithdrawnDetermination of particle size distribution — Single particle light interaction methods — Part 4: Light scattering airborne particle counter for clean spacesISO 21501-2:2007WithdrawnDetermination of particle size distribution — Single particle light interaction methods — Part 2: Light scattering liquid-borne particle counterISO 21501-3:2007WithdrawnDetermination of particle size distribution — Single particle light interaction methods — Part 3: Light extinction liquid-borne particle counterISO 22412:2017WithdrawnParticle size analysis — Dynamic light scattering (DLS)ISO 22412:2008WithdrawnParticle size analysis — Dynamic light scattering (DLS)ISO/TR 22814:2020WithdrawnGood practice for dynamic light scattering (DLS) measurementsISO 26824:2013WithdrawnParticle characterization of particulate systems — Vocabulary