TABLE 1.

T₁av in several temperatures

Temperature °C	T1, s 600 MHz	T1, s 400 MHz
5	2.4 ± 0.18	–
15	2.1 ± 0.16	–
30	1.2 ± 0.090	2.0 ± 0.15
40	3.2 ± 0.24	2.8 ± 0.21
50	4.1 ± 0.31	4.0 ± 0.30

Experimental values of T₁ obtained at 400 and 600 MHz. T₁ was measured as described in Material and Methods.