Total number concentration was integrated from the number size distribution. Spherical SOA particles with a mean density of 1.2 were assumed for the mass calculations (Bahreini et al., 2005; Saathoff et al., 2009; Turpin and Lim, 2001).
Total number concentration was integrated from the number size distribution. Spherical SOA particles with a mean density of 1.2 were assumed for the mass calculations (Bahreini et al.,2005; Saathoff et al., 2009; Turpin and Lim, 2001).