Photothermal Deflection Spectroscopy of Collected Aerosols
Photothermal Deflection Spectroscopy of Collected Aerosols
Photothermal Deflection Spectroscopy of Collected Aerosols
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<strong>Photothermal</strong> Signal<strong>Photothermal</strong> Signal0.070.060.050.040.030.020.01<strong>Photothermal</strong> Signal0.80.70.60.50.40.30.20.100 5 10 15 20 25 30 35Collection Time [min.]00 0.01 0.02 0.03 0.04 0.05 0.06 0.07Average Mass <strong>of</strong> Individual Spot [μg]Detection limit from signal-mass curve is 7.31 ngAerosol mass concentration is calculated from MOUDIflow rate and collection time. A detection limit <strong>of</strong> 0.65μg/m 3 for 30 L/min flow rate and 30 min collectiontime.
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