Isotope				Relative Atomic Mass		Isotopic   Composition	Standard Atomic Weight	Notes
6	C	12	12.000 000 0(0)	0.9893(8)	12.0107(8)	g,r
		13	13.003 354 8378(10)	0.0107(8)
		14	14.003 241 989(4)
16	S	32	31.972 071 00(15)	0.9499(26)	32.065(5)	g,r
		33	32.971 458 76(15)	0.0075(2)
		34	33.967 866 90(12)	0.0425(24)
		36	35.967 080 76(20)	0.0001(1)
52	Te	120	119.904 020(10)	0.0009(1)	127.60(3)	g,h
		122	121.903 0439(16)	0.0255(12)
		123	122.904 2700(16)	0.0089(3)
		124	123.902 8179(16)	0.0474(14)
		125	124.904 4307(16)	0.0707(15)
		126	125.903 3117(16)	0.1884(25)
		128	127.904 4631(19)	0.3174(8)
		130	129.906 2244(21)	0.3408(62)