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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: Aerosol Sci Technol. 2014 Mar 28;48(5):489–497. doi: 10.1080/02786826.2014.891722

Figure 2.

Figure 2

Schematic of the experimental setup. Aerosolized urban dust was generated at high, middle, and low concentration levels. A fan, dilution/exhaust manifold, and timing switch were installed to mix PM and hold mass concentration steady. Reactivity analysis was performed by both the traditional and on-line techniques in parallel for comparison.