Determination of particle size distribution by gravitational liquid sedimentation methods - General principles and guidelines PAS 15 ISO 21701 on accelerated hydrolysis

ISO 21701 on accelerated hydrolysis of textile materials is useful for:

and EN 50121-5 can ensure compliance with the emission values given in this part

example of a sun simulating radiation source

Note: BS EN 1022 does not apply to children’s high chairs

BS EN 15037-4 provides the best industry recommendations on product characteristics and includes procedures for testing

Determination of particle size distribution by gravitational liquid sedimentation methods - General principles and guidelines PAS 15 ISO 21701 on accelerated hydrolysis1 Scope This part of ISO 13317 covers methods for determining the particle size distributions of particulate materials, typically in the size range 0,5 m to 100 m, by gravitational sedimentation in a liquid. NOTE This part of ISO 13317 may involve hazardous materials, operations and equipment. This part of ISO 13317 does not purport to address all the safety problems associated with its use. It is the responsibility of the user of this part of ISO