SOLVENT EXTRACTION OF MOLYBDENUM(V) WITH ETHYLXANTHATE OR DIPHENYLCARBAZONE

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概要

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• Solvent extraction of molybdenum(V) with ethylxanthate and diphenylcarbazone (HDPCO) was investigated. When the perchloric acid concentration was above 0.2 mol dm^<-3>, a 1.32 × 10^<-4> mol dm^<-3> molybdenum(V) was completely extracted with 1.39 × 10^<-2> mol dm^<-3> ethylxanthate into chloroform. The extracted species contained molybdenum and ethylxanthate in a 1 : 2 molar ratio. Solid dark green complex formulated as Mo_2O_3(C_2H_5OCS_2)_4. was prepared. One molybdenum-oxygen-molybdenum bond in Mo_2O_4^<2+> was suggested to be cleaved on the coordination of ethylxanthate. The optimum pH for the extraction of molybdenum(V) with HDPCO was 2.2, 2.7 and 3.8 for chloroform, nitrobenzene and n-butylacetate, respectively. The complex extracted was formulated as Mo_2O_3(DPCO)_4. Two molybdenum (V) atoms are bridged with one oxo group.

• 社団法人日本分析化学会の論文
• 1984-02-05

著者

• Ohashi^ Kousaburo

  Department Of Chemistry Faculty Of Science Ibaraki University

• Ohashi Kousaburo

  Department Of Achemistry Faculty Of Science Ibaraki University

• YAMAMOTO KATSUMI

  Department of Anesthesiology, University of Occupational and Environmental Health, School of Medicin

• OHASHI^[○!R] Kousaburo

  Department of Chemistry, Faculty of Science, Ibaraki University

• Yamamoto Katsumi

  Department Of Anesthesiology University Of Occupational And Environmental Health School Of Medicine

• Yamamoto Katumi

  Department of Chemistry, Faculty of Science, Ibaraki University

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