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Synthesis and extractive properties of bisthiophosphorylimines
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作者 唐瑞仁 石晓明 +1 位作者 张启修 唐子龙 《Journal of Central South University of Technology》 EI 2008年第3期329-333,共5页
Novel transition metal complexes of bis(diarylsubstitutedthiophosphoryl)imines ligand derived from O,O-di(p-methoxylphenyl)thiophosphoryl chloride and O,O-di-(p-methoxylphenyl)thiophosphoryl amine with Cu(Ⅱ ),Co( Ⅱ)... Novel transition metal complexes of bis(diarylsubstitutedthiophosphoryl)imines ligand derived from O,O-di(p-methoxylphenyl)thiophosphoryl chloride and O,O-di-(p-methoxylphenyl)thiophosphoryl amine with Cu(Ⅱ ),Co( Ⅱ) ,Ni( Ⅱ) ,Fe(Ⅱ ) and Mn( Ⅱ ) were synthesized. The formation mechanism of complexes and their stereochemistry structures were investigated according to elemental analysis,infrared spectra and 31P-nuclear magnetic resonance spectra. The extractions of the ligand for different divalent metal ions,such as Zn(Ⅱ ),Cd( Ⅱ) ,Cu( Ⅱ) ,Ni( Ⅱ ),Fe( Ⅱ) ,Sn( Ⅱ) ,Mn( Ⅱ) ,Pd( Ⅱ) ,Hg( Ⅱ) and Fe(Ⅲ),were investigated in sulphate solution,respectively. The results show the metal atom is coordinated by 4 sulfur atoms in a square-planar fashion,and the titled compound has not only powerful ability to coordinate with cadmium from aqueous solution with a high extractive rate about 61.20% and a relatively weak complexation for other divalent metals with the extractive rate from 2.46% to 36.66%,but also a good selectivity to Fe(Ⅲ ). 展开更多
关键词 bis(thiophosphoryl)imines transition metal complexes SYNTHESIS EXTRACTION
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