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Nanotechnologies. Nanoscale calcium carbonate in powder form. Characteristics and measurement Ingestion-build-133579 This standard does not apply1 Scope This Technical Specification provides requirements to describe the basic characteristics of nanoscale calcium carbonate in powder form relevant for applications in nanotechnology. It is intended to detail the material specification necessary to use CaCO3 in the applications related to nanotechnology. It does not cover characteristics specific for health and safety issues, and for specific applications of nanoscale CaCO3.