SPECTROPHOTOMETRIC BEHAVIOR OF COPPER(II)-3-MERCAPTO-1,5-DIPHENYL FORMAZANE COMPLEX IN ORGANIC SOLVENTS
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概要
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The absorption spectral changes of Cu(HDz)_2, Cu(I) (HDz) and socalled secondary Cu(Dz) in various mixed organic solvents were investigated, where HDz and Dz represent monoanionic and dianionic form of 3-mercapto-1,5-diphenyl formazane (dithizone) , respectively. The addition of organic solvents such as methanol, ethanol and o-xylene to the chloroform solution of Cu (HDz)_2 showed the absorption spectral change caused by the formation of sec-Cu(Dz) and caused the decrease in the absorbance due to the subsequent decomposition. Cu(HDz)_2 did not show the absorption spectrum of sec-Cu(Dz) by the addition of carbon tetrachloride, nitrobenzene or toluene to chloroform solution of Cu(HDz)_2, but decomposed simply. The addition of other organic solvents except for chloroform and benzene to sec-Cu(Dz) showed the simple change in the absorption spectrum due to the decomposition. Cu(I)(HDz) in mixed organic solvents showed the absorption spectrum of sec-Cu(Dz) and subsequently decomposed.
- 社団法人日本分析化学会の論文
- 1983-11-05
著者
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Ohashi Kousaburo
Department Of Achemistry Faculty Of Science Ibaraki University
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Kurosawa Kazuyoshi
Department Of Chemistry Faculty Of Science Ibaraki University
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YAMAMOTO KATSUMI
Department of Anesthesiology, University of Occupational and Environmental Health, School of Medicin
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Yamamoto Katsumi
Department Of Anesthesiology University Of Occupational And Environmental Health School Of Medicine
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