Nanotechnologies - Guidance for developing representative test materials consisting of nano-objects in dry powder form

This Technical Specification provides guidance for developing representative test materials consisting of nano-objects in dry powder form, to enable test method development and improve comparability of data for nanotechnology applications. This guidance includes the physico-chemical properties (specifically, size and shape, specific surface area, crystal structure, and bulk chemical composition) that are required to be measured and reported with the representative test material.