| 二已基-N,N-二乙基酰胺甲撑磷酸酯从盐酸介质中萃取钯(Ⅱ)的研究 |
| EXTRACTION OF PALLADIUM Ⅱ FROM HYDROCH-LORIDE ACID SOLUTION WITH DIHEXYL-N, N-DIETHYLCARBAMOYLMETHYLPHOSPHONATE |
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| 摘要: 研究了DHDECMP的二甲苯溶液从盐酸溶液中对钯(Ⅱ)的萃取。钯(Ⅱ)的分配比随水相盐酸浓度和有机相萃取剂浓度的增加而增加。当水相盐酸浓度大于0.5mol·l-1时,萃取平衡可表示为 pd2++2H++4Cl-+2DHDECMP(o)⇔[PdCl42-·2H+DHDECMP](o) DHDECMP以及萃取平衡后有机相的红外吸收谱表明,DHDECMP中的P=O基被质子化后与PdCl42-缔合成离子对进入有机相而使Pd(Ⅱ)被萃取。 |
| 关键词: 钯(Ⅱ) 萃取 DHDECMP |
| 基金项目: |
| Abstract: The extraction of Pd(Ⅱ) from HC1 solution with title ligand (DHDECMP) in xylene was researched. The distribution ratios of Pd(Ⅱ) increase with the concentrations of HC1 in aqueous phase and the concentrations of the cxtractant in organic phase. When the concentrations of HC1 in aqueous phase are larger than O.Smol·l-1,the extraction equilibrium can be shown as Pd2++2H++4Cl-+2DHDECMP(o)=PdCl42-·2H+DHDECMP(o) The IR spectra of DHDECMP and the extracted complexes indicate that the P=O groups inDHDECMP are protonated,and then the groups form ion-pairs with PdCl4- and enter into the organic phase,thus Pd(Ⅱ) are extracted. |
| Keywords: Palladium(Ⅱ) extraction DHDECMP |
| 投稿时间：1987-12-09 |
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| 陈文浚,王云龙,季杰珍.二已基-N,N-二乙基酰胺甲撑磷酸酯从盐酸介质中萃取钯(Ⅱ)的研究[J].无机化学学报,1989,5(4):96-100. |
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