From: Biokinetics and effects of barium sulfate nanoparticles
Duration of exposure | Targeted concentrations (mg/m3) | Measured concentrations (mg/m3) | MMAD (μm)/GSD mean | Particle count concentration (particle/cm3) | Particle count median diameter (nm) |
---|---|---|---|---|---|
4 weeks | 50 | 46.2 ± 5.9 | 2.3/2.0 | 92752 | 326 |
13 weeks | 50 | 50.1 ± 5.6 | 1.9/2.1 | 77992 | 304 |