Table 1.

Milling parameters and specific surface area of the quartz particles.

	Quartz	Origin	Milling Speed (rpm)	Milling Time (Hours)	Ball Diameter (mm)	SSA (m2/g) b
A	gQ	Synthesis	/	/	/	0.1
B	gQ-ff	gQ dry milling	450	1	5	10
C1	gQ-n1 a	gQ-ff wet milling	450	1	2	38
C2	gQ-n2 a	gQ-ff wet milling	550	1	2	45
C3	gQ-n3 a	gQ-ff wet milling	550	2	2	55

^a Wet milled, with 12 mL of water. ^b Measured by the BET method, using Kr as adsorbing gas.