SOLVENT EFFECT ON THE MECHANISM OF CHROMIUM(V) COMPLEX-FORMATION STUDIED BY EPR

被引:9
作者
BONTCHEV, PR [1 ]
MITEWA, M [1 ]
RUSSEV, P [1 ]
PETROV, G [1 ]
MALINOVSKI, A [1 ]
KABASSANOV, K [1 ]
机构
[1] BULGARIAN ACAD SCI,INST SOLID STATE PHYS,BU-1113 SOFIA,BULGARIA
来源
JOURNAL OF INORGANIC & NUCLEAR CHEMISTRY | 1979年 / 41卷 / 10期
关键词
D O I
10.1016/0022-1902(79)80210-9
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The mechanism of the reaction of dichromate with dithizone, 2-oxopropanephosphonic acid, acetylacetone, trifluoracetylacetone and benzoylacetone in organic solvents was studied by the EPR method, which detects the formation of Cr(V) complexes. The solvents most suitable for the formation and stabilization of these complexes are DMF, HMPA and DMSO. It was established that the solvents firstly reduce Cr(VI) to Cr(V), which is then stabilized as complexes by the ligands. © 1979.
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收藏
页码:1451 / 1456
页数:6
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