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Title: Abrasion testing of products containing nanomaterials, SOP-R-2 : Scientific Operating Procedure Series: Release (R)
Authors: Brame, Jonathon A.
Poda, Aimee R.
Cuddy, Michael F.
Ramsey, Monica A.
Moser, Robert D.
Keywords: Nanotechnology
Abrasion resistance
Publisher: Geotechnical and Structures Laboratory (U.S.)
Environmental Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Environmental Consequences of Nanotechnologies Program (U.S.)
Series/Report no.: ERDC ; SR-16-2
Abstract: Abrasion is an important consideration for the potential release of nanoparticles during the service life of a nanotechnology. This SOP presents a general method for abrading a material using a rotating sample platform in contact with a weighted sandpaper fixture. Particles collected with this method are analyzed with a condensation particle counter (CPC) and a fast mobility particle sizer (FMPS), with additional particles collected on in-line filters for further analysis. The abrading process is carried out in a particle-free environment and released particles are moved by a defined airflow from the chamber to the collection/analysis apparatus. Particle release is monitored in real time by the CPC (10nm >1 μm) and FMPS (32 particle size bins from 5-550 nm), and further characterization of filter-collected particles can be accomplished post-testing.
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