Nuklidetall	Masse(u) 	Forekomst(%)
112 		111.90482	0.97
114		113.90278	0.66
115		114.90334	0.34
116		115.90174	14.54
117		116.90295	7.68
118		117.90160	24.22
119		118.90331	8.59
120		119.90219	32.58
122		121.90344	4.63
124		123.90527	5.79