Table 1.

Convective cooling and warming rates. *Failure due to crystallization. Data are the mean and SD of three independent experiments.

Volume (radius)	Cooling rate (°C/min)	Warming rate (°C/min)
1 mL (r = 0.5 cm)	127.7 ± 9.0	159.8 ± 10.7
8 mL (r = 1.0 cm)	41.5 ± 1.0	48.1 ± 2.0
20 mL (r = 1.4 cm)	20.5 ± 1.3	*31.2 ± 2.7
30 mL (r = 1.6 cm)	15.0 ± 0.2	*28.1 ± 4.4