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Nanomaterials - Quantification of nano-object release from powders by generation of aerosols (ISO/TS 12025:2021)
This document describes methods for the quantification of nano-object release from powders as a result of treatment, ranging from handling to high energy dispersion, by measuring aerosols liberated after a defined aerosolization procedure.
Particle number concentration and size distribution of the aerosol are measured and the mass concentration is derived.
This document provides information on factors to be considered when selecting among the available methods for powder sampling and treatment procedures and specifies minimum requirements for:
In order to characterize the full size range of particles generated, the measurement of nano-objects as well as agglomerates and aggregates is addressed in this document.
This document does not include:
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