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Du D, Su Y, Shang Q, Chen C, Tang W, Zhang L, Ren H, Liu W. Biomimetic synthesis of L-DOPA inspired by tyrosine hydroxylase. J Inorg Biochem 2022; 234:111878. [DOI: 10.1016/j.jinorgbio.2022.111878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 04/24/2022] [Accepted: 05/24/2022] [Indexed: 10/18/2022]
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Datsenko V, Larin V. Evaluating the Methods Used for the Regeneration Process of Copper-Zinc Solutions. CHEMISTRY JOURNAL OF MOLDOVA 2021. [DOI: 10.19261/cjm.2021.793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
The purpose of this study was to investigate the physicochemical particularities of the regeneration processes that occur in spent sulphate copper-zinc solutions using the reagent methods of crystallization, cementation, and sedimentation. A comparative analysis of the results of the studies of regeneration processes has shown that the content of the extraction of Cu2+ and Zn2+ ions by the crystallization method makes up to 97.2% and 49.7%, respectively; by the contact displacement method to 99.9% and 95.4%, respectively; and by the deposition method it makes up to 99.9% and 99.9%, respectively. The presented study can be used for improvements in the electroplating productivity.
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