Table A6b. DLR Falcon Aircraft Instrumentation for Aerosol Measurements

Species/Parameter	Reference	Technique	Averaging Time	Detection Limit
Ultrafine particle size distribution	Schroder and Strom [1997] and Feldpausch et al. [2006]	condensation particle counters operated at different lower cutoff diameters and diffusion screen separator	5 s	1 cm-3
Aitken mode size distribution	A. Petzold et al. (unpublished manuscript, 2006)	differential mobility analyser (DMA)	70 s	1 cm-3
Accumulation mode size distribution (dry state)	Petzold et al. [2002]	passive cavity aerosol spectrometer probe (PCASP 100X)	5 s	0.1 cm-3?
Volume fraction of volatile/refractory particles 	Clarke [1991]	thermodenuder connected to condensation particle counters	5 s	
Volume absorption coefficient	Bond et al. [1999]	particle soot absorption photometer (PSAP)	20 s	0.1 Mm-1 at STP