ISO 14887:2000

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The provided ISO standards relate to sample preparation, particle size analysis, and zeta potential determination in colloidal systems. ISO 14887:2000 focuses on sample preparation, specifically dispersing procedures for powders in liquids. ISO 13317-3:2001 deals with determining particle size distribution using gravitational liquid sedimentation methods, including the X-ray gravitational technique. Finally, ISO 13099-2:2012 outlines methods for zeta-potential determination in colloidal systems, particularly focusing on optical methods like video microscopy and electrophoretic light scattering.