What is ISO 21501-3- Light extinction liquid-borne particle counter about?
ISO 21501-3 is a safety standard on single-particle light interaction methods.
ISO 21501-3 describes a calibration and verification method for a light extinction liquid-borne particle counter (LELPC) , which is used to measure the size and particle number concentration of particles suspended in the liquid. The light scattering method described in ISO 21501-3 is based on single-particle meas...
BS ISO 21501-3:2019 history
2019BS ISO 21501-3:2019 Determination of particle size distribution. Single particle light interaction methods - Light extinction liquid-borne particle counter
2007BS ISO 21501-3:2007 Determination of particle size distribution. Single particle light interaction methods. Light extinction liquid-borne particle counter