Sorption of silver,gold and palladium with a polythioether foam |
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| Affiliation: | 1. Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Suzhou Nano Science and Technology, Chinese Academy of Sciences (CAS) Center for Excellence in Nanoscience, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China;1. Key Laboratory of Functional Small Organic Molecule, Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, PR China;2. College of Chemical and Material Engineering, Quzhou University, Quzhou, 324000, PR China;1. Odontology, CHRU de Brest, 29609 Brest cedex, France;2. Rheumatology, CHRU de Brest, 29609 Brest cedex, France;3. EA2216, Inserm ESPRI, ERI29, laboratoire d’immunologie, université de Brest, 29609 Brest cedex, France;4. LabEx IGO, 29609 Brest cedex, France;5. Ophthalmology, CHRU de Brest, Brest cedex, France;6. Dermatology, CHRU de Brest, Brest cedex, France;1. Centro Federal de Educação Tecnológica de Minas Gerais, Departamento de Química, Av. Amazonas, 5253 Belo Horizonte, MG, Brazil;2. Universidade Federal de Minas Gerais, Departamento de Física, Av. Antônio Carlos, 6627 Belo Horizonte, MG, Brazil;3. Universidade Federal de Minas Gerais, Departamento de Biologia, Av. Antônio Carlos, 6627 Belo Horizonte, MG, Brazil;1. Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil;2. Instituto de Química, Universidade Federal do Rio Grande do Sul, 91501-970 Porto Alegre, RS, Brazil |
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| Abstract: | Silver, gold and palladium can be sorbed by a thiopolymer of the type [HO(CH2CH2CH2SS)nCH2CH2OH]. The distribution coefficient for palladium increases with halide concentration, with iodide having the largest effect. Silver can be extracted from chloride, nitrate or picrate media. The different distribution coefficients for gold in hydrochloric acid and in sodium chloride suggest that different sorption mechanisms predominate. |
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