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International Organisation for Standardization

ISO_200Led by TC 229,  the International Organization for Standardization (ISO) is currently undertaking standardisation in the field of nanotechnologies that includes either or both of the following:

  • Understanding and control of matter and processes at the nanoscale, typically, but not exclusively, below 100 nanometres in one or more dimensions where the onset of size-dependent phenomena usually enables novel applications,
  • Utilising the properties of nanoscale materials that differ from the properties of individual atoms, molecules, and bulk matter, to create improved materials, devices, and systems that exploit these new properties.
Specific tasks of ISO TC 229 include developing standards for: terminology and nomenclature; metrology and instrumentation, including specifications for reference materials; test methodologies; modelling and simulations; and science-based health, safety, and environmental practices.

Key published standards relevant to the nanosafety area include:

Terminology & Definitions




Safety & Risk Management Practices

Further standards for nanotechnologies are currently in various stages of development by ISO TC 229, relating to physico-chemical characterisation, exposure assessment and control, risk assessment and management, terminology and naming, and toxicological testing.  A list of draft standards and their stage of development is available on the ISO website.

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TiO2 is used in a range of consumer products, including sunscreens, cosmetics, and paints.