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ISO 20998-2:2013WithdrawnMeasurement and characterization of particles by acoustic methods — Part 2: Guidelines for linear theoryInternational Standard · Published 7 Aug 2013 · ISO/TC 24/SC 4ISO 21501-1:2009WithdrawnDetermination of particle size distribution — Single particle light interaction methods — Part 1: Light scattering aerosol spectrometerInternational Standard · Published 22 May 2009 · ISO/TC 24/SC 4ISO 21501-4:2007WithdrawnDetermination of particle size distribution — Single particle light interaction methods — Part 4: Light scattering airborne particle counter for clean spacesInternational Standard · Published 7 May 2007 · ISO/TC 24/SC 4ISO 21501-2:2007WithdrawnDetermination of particle size distribution — Single particle light interaction methods — Part 2: Light scattering liquid-borne particle counterInternational Standard · Published 7 May 2007 · ISO/TC 24/SC 4ISO 21501-3:2007WithdrawnDetermination of particle size distribution — Single particle light interaction methods — Part 3: Light extinction liquid-borne particle counterInternational Standard · Published 7 May 2007 · ISO/TC 24/SC 4ISO 22412:2017WithdrawnParticle size analysis — Dynamic light scattering (DLS)International Standard · Published 6 Feb 2017 · ISO/TC 24/SC 4ISO 22412:2008WithdrawnParticle size analysis — Dynamic light scattering (DLS)International Standard · Published 24 Apr 2008 · ISO/TC 24/SC 4ISO/TR 22814:2020WithdrawnGood practice for dynamic light scattering (DLS) measurementsTechnical Report · Published 14 Apr 2020 · ISO/TC 24/SC 4ISO 26824:2013WithdrawnParticle characterization of particulate systems — VocabularyInternational Standard · Published 15 Jul 2013 · ISO/TC 24/SC 4