Table 1.

Specific activity of Au/Al₂O₃ catalysts calcined at different temperatures and times.

Temperature	Time (h)	Specific Activity
150 °C	2 h	1203.37 ± 21.670
250 °C	2 h	1388.89 ± 40.907
350 °C	2 h	1657.55 ± 11.620
450 °C	2 h	1760.56 ± 15.95
550 °C	2 h	1360.54 ± 9.323
450 °C	1 h	1474.93 ± 20.733
450 °C	3 h	1494.77 ± 6.506
450 °C	4 h	1410.44 ± 12.642