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Solubility studies of TcO2· xH2O(am) have been conducted as a function of H+ concentration from 1 × 10− 5 to 6 M HCl and as a function of chloride concentration from 1 × 10− 3 to 5 M NaCl. These experiments were conducted under carefully controlled reducing conditions such that the preponderance of Tc present in solution is in the reduced oxidation state and was determined to be Tc(IV) by XANES analysis...
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