ISOFLEX Product # Isotope  Maximum Available Enrichment
(ATOMIC %)
Natural Abundance
(ATOMIC %)
Chemical Form(s) 

64-02-152

152Gd

32.5

0.20

o

64-02-154

154Gd

94.3

2.18

o

64-02-155

155Gd

>91.8

14.80

o

64-02-156

156Gd

99.2

20.47

o

64-02-157

157Gd

99.5

15.65

o

64-02-158

158Gd

99.6

24.84

o

64-02-160

160Gd

99.8

21.86

o

m=metallic   o=oxide   g=gas   e=element   c=carbonate   cl=chloride

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