Table 10.

Large SRM fixed-point cells. The expanded uncertainty (k = 2) is denoted by U

SRM 174 fixed-point cell, s/n	Freezing-point (°C)	U (mK)	SRM 1748 fixed-point cell, s/n	Freezing-point (°C)	U (mK)
Sn 95-1	231.928	0.36	Zn 95-1	419.527	1.01
Sn 95-2	231.928	0.39	Zn 95-2	419.527	1.12
Sn 95-3	231.928	0.37	Zn 95-3	419.527	0.98
Sn 95-4	231.928	0.40	Zn 95-4	419.527	0.94
Sn 95-5	231.928	0.40	Zn 95-5	419.527	1.14