Bicarbonate complexes of barium and strontium |
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| Affiliation: | 1. Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100085, China;2. School of Life Science, Beijing Institute of Technology, Beijing 100081, China;3. School of Mines, China University of Mining & Technology, Beijing 100085, China;1. School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China;2. National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China |
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| Abstract: | Dissociation constants and free energies of formation for the BaHCO3+ and SrHCO3+ complexes were determined in the BaCl2H2CO3 and SrCl2H2CO3 systems, respectively. These values are as follows: KBaHCO3+ = (3·03 ± 0·17) × 10−2, ΔFBaHCO3+° = −276·39 ± 0·04 kcal/mole, and KSrHCO3+ = (5·70 ± 0·54) × 10−2, ΔFSrHCO3+° = −275·21 ± 0·06 kcal/mole. |
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