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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Mineralogical speciation of the radium isotopes in Karlovy Vary hot spring sediments: Results of the selective dissolution
 Supiňková, Taťána ; Goliáš, Viktor (advisor) ; Smrček, Stanislav (referee)
Thermal waters in Karlovy Vary are characterized by carbonate sedimentation in places of their emergence. These sediments contain radium. Radium bond in every type of sinter (aragonite, calcite) has been investigated experimentally by acid sinter dissolution. It has been found out, that radium can join dissoluble fraction in both sinter types . The original hypothesis that radium can bond only aragonite-type of sinter has been refuted. Additional experiments have been processed using synthetic radiobarite. Present radium in radiobarite can be partly dissoluted using acids. If radium was incorporated in radiobarite (it is known from locality Vřídlo in Karlovy Vary and elsewhere) then maybe it would be partly dissoluted in experiments.
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