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Barium Isotopes

Stable Barium Isotopes - Ba Isotopes
Nominal mass Accurate
mass
% Natural abundance Chemical
form
Enrichment available %

130 Ba 129.906282 (8) 0.106 (1) carbonate 32 - 55+

132 Ba 131.905042 (9) 0.101 (1) carbonate  12 - 43+

134 Ba 133.904486 (7) 2.417 (18) carbonate 83 - 88+

135 Ba 134.905665 (7) 6.592 (12) carbonate 92 - 94+

136 Ba 135.904553 (7) 7.854 (24) carbonate 93 - 95+

137 Ba 136.905812 (6) 11.23 (24) carbonate 25 - 91+

138 Ba 137.905232 (6) 71.70 (42) carbonate 96 - 99+
 
Barium Isotopes are used in a wide variety of fields and applications. Ba-130 is used in the production of Ba-131/Cs-131 which is used in brachytherapy (seeds). Ba-132 can be used for the production of Ba-133 which is used as a gamma reference source. Ba-134 has been used to perform experiments in the field of nuclear physics. Ba-136 has been used to study photon scattering phenomena. Barium Isotopes Ba-136 and Ba-138 have been used in activation cross section experiments. Ba-135 has been used to validate the use of spinor symmetry while Ba-137 has been used in experiments regarding the theory of relativistic coupled clusters. Finally, Ba-138 has been used in studying so-called r- and s-processes in stars.
 
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