AAAR 36th Annual Conference October 16 - October 20, 2017 Raleigh Convention Center Raleigh, North Carolina, USA
Abstract View
Exposure Assessment of Market Products Including Nanomaterial in General Use and Disposal Process
YASUTO MATSUI, Shigeru Kimoto, Minoru Yoneda, Kyoto University
Abstract Number: 744 Working Group: Aerosol Exposure
Abstract The purpose of this study is measuring the amount of the nanoparticle generated from the product including nanomaterial by crushing and combustion or in the popular use situation.
Nanoparticles from the products including the nanomaterial were measured in the noble chamber we developed. The distribution was well controlled in each sampling sixteen points on a side wall. We selected the filter which is a part of air purification system and coating spray including titanium dioxide. Over 1.6×105 number/mL particles were detected by FMPS after spray and the concentration decreased to the same concentration of chamber background in 2.5 hours. However, there was little particle concentration during fractured wasting. Ti was detected in each sampling filters by ICP/MS. These results indicate that Ti using for product artificially was be able to detect and separate between them and particles with other materials secondarily.
We developed a new electrostatic sampling instrument for detecting in a tiny area with electron microscope, X-ray fluorescence or synchrotron micro beam.