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Strontium Isotopes

Stable Strontium Isotopes - Sr Isotopes
Nominal mass Accurate
mass
% Natural abundance Chemical
form
Enrichment available %

84 Sr 83.913430 (4) 0.56 (13) carbonate 75 - 79+

86 Sr 85.9092672 (28) 9.86(13) nitrate, carbonate 95 - 96+

87 Sr 86.9088841 (28) 7 (13) carbonate, oxide 38 - 92+

88 Sr 87.9056188 (28) 82.58 (13) carbonate, oxide, nitrate, fluoride 98 - 99+
 
There are four stable Strontium Isotopes and two of them have medical applications. Sr-86 is used for the production of the PET isotope Y-86 which is used in dosimetry prior to Y-90 based radioimmunotherapy. Sr-88 is used for the production of Sr-89 which is the active agent in Metastron™.
 
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