ISO Adopts Standard for Inhalation Toxicity Testing for Nanoparticles

Posted on February 1, 2011 by Lynn L. Bergeson

On January 26, 2011, the International Organization for Standardization (ISO) announced the availability of a new standard, ISO 10808:2010, entitled “Nanotechnologies -- Characterization of nanoparticles in inhalation exposure chambers for inhalation toxicity testing.” The standard is intended to ensure that the results of inhalation toxicity tests of airborne nanoparticles are reliable and harmonized worldwide. According to ISO, the standard “establishes a battery of inhalation toxicity testing chamber monitoring, including a differential mobility analyzing system (DMAS), for determining particle number, size, size-distribution, surface area and estimated mass dose, as well as morphological examination using transmission electron microscopy (TEM) or scanning electron microscopy (SEM) equipped with an energy dispersive X-ray analyzer (EDXA) for chemical composition.”

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