Table 2.

Particle size distribution (PSD) of the milled quartz samples that were dispersed in water, probe-sonicated, and measured by DCS.

Quartz	Peak (µm)	Range % (22–5.0 µm)	Range % (5.0–1.0 µm)	Range % (1.0–0.22 µm)	Range % (0.22–0.050 µm)
gQ-ff	1.45	23.1	46.37	24.75	1.17
gQ-n1	0.635	0.0	13.42	73.06	6.97
gQ-n2	0.574	0.0	12.27	76.44	10.49
gQ-n3	0.392	0.0	7.42	72.43	19.93