|Standard Number||ISO/TS 21357:2022|
|Organization||International Organization for Standardization|
|Category||Test Method | Characterization | Measurement|
This document provides guidance and requirements for the determination of the mean (spherical) equivalent diameter of nano-objects (i.e. particles, droplets or bubbles) dispersed in liquids using the static multiple light scattering (SMLS) technique. The technique is applicable to a wide range of materials and does not require dilution of concentrated samples.