2.6. Particle size determination
Particle size distribution was performed by laser light-scattering,
supported by the patented multi-wavelength system (PIDS) which pro-
vides accurate results in the 0.04 and 2000 μm regions. An LS™ 13 320
Series Particle Size analyzer (Beckman Coulter, California, USA) was
used for this purpose. The analysis was performed as described by
Poliseli-Scopel et al. (2012) at 1, 90 and 180 days of storage.