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Table 12 Correlation of particle diameter with surface area

From: Initial in vitro screening approach to investigate the potential health and environmental hazards of Envirox™ – a nanoparticulate cerium oxide diesel fuel additive

Airborne mass concentration (μg/m3) Particle diameter (μm) Particles/ml of air Particle surface area (μ2/ml air) (μ2/ml air)
10 2 1.2 24
10 0.5 153 120
10 0.02 2400000 3016