中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Study on the synthesis and physicochemistry properties of tripotassium sodium Ferrate(VI)

文献类型:期刊论文

作者W. C. He ; J. M. Wang ; L. Zhou ; Q. Q. Chen ; B. C. Shen ; J. Q. Zhang
刊名Acta Chimica Sinica
出版日期2007
卷号65期号:20页码:2261-2265
关键词tripotassium sodium ferrate(VI) sodium ferrate(VI) electrosynthesis IR spectra XRD TG/DSC electrochemical performance charge-transfer iron k2feo4 generation electrode stability cathodes
ISSN号0567-7351
中文摘要An electrosynthesis in concentrated NaOH electrolyte is first presented for the synthesis of 0.83 mol.L-1 Na2FeO4 solution, and then for the synthesis of solid K3Na(FeO4)(2) with high purity and yield. The synthesis conditions have been explored. Many experiment techniques have been used to characterize the obtained solid sample. The experiment results showed that in the mixed NaOH-KOH solutions, the dissolution-precipitation curve of K3Na(FeO4)(2) conformed to the empirical foumula of [Na+][K+](3) x [FeO42-](2.8) = 1.4 x 10(-4) ([K+] <= 1.01 mol.L-1). The measured solubility of K3Na(FeO4)(2) in concentrated KOH electrolytes was almost the same as that of K2FeO4. Different from K2FeO4 crystals, the synthesized K3Na(FeO4)(2) powders exhibited three characteristic IR absorption peaks (787, 801 similar to 802 and 858 similar to 862 cm(-1)) and a hexagonal unit cell with the space group P3 ml (164). The results of TG/DSC experiments showed that the K3Na(FeO4)(2) powders would not decompose until 197 degrees C in the atmosphere of Ar, but were less stable than K2FeO4.
原文出处://WOS:000250735300010
公开日期2012-04-13
源URL[http://ir.imr.ac.cn/handle/321006/33579]  
专题金属研究所_中国科学院金属研究所
推荐引用方式
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W. C. He,J. M. Wang,L. Zhou,et al. Study on the synthesis and physicochemistry properties of tripotassium sodium Ferrate(VI)[J]. Acta Chimica Sinica,2007,65(20):2261-2265.
APA W. C. He,J. M. Wang,L. Zhou,Q. Q. Chen,B. C. Shen,&J. Q. Zhang.(2007).Study on the synthesis and physicochemistry properties of tripotassium sodium Ferrate(VI).Acta Chimica Sinica,65(20),2261-2265.
MLA W. C. He,et al."Study on the synthesis and physicochemistry properties of tripotassium sodium Ferrate(VI)".Acta Chimica Sinica 65.20(2007):2261-2265.

入库方式: OAI收割

来源:金属研究所

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