Citation:
Bao Changnian, Li Dewen, Liu Guofan, Guo Yanhua, Zhang Yirui. STUDY OF THE EXTRACTION OF INDIUM WITH DIMETHYLHEPTYL ACETAMIDE FROM HYDROCHLORIC ACID MEDIUM[J]. Chinese Journal of Applied Chemistry,
;1986, 3(5): 49-53.
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The extraction behaviour of indium with dimethylheptyl acetamide from hydrochloric acid medium has been studied. The extractability is found to increase with the concentration of HCl. It is confirmed by an application of the slope method and chemical analysis that the extraction of In with N503 from hydrochloric acid solution can be represented as follows: In(a)3++H(a)++4Cl(a)=+nnN503(O)⇌HInCl4·nN503(O) The solvation number n of the extracted species varies with the concentration of hydrochloric acid. IR and NMR data show that the indium is extracted in the form of HInCl4 into the organic phase of N503. Under the condition of [HCl]<2N the extractability of galliun, Indium and thallium with N503 was found to be in the following order: Tl(Ⅲ) >Ga(Ⅲ) >In(Ⅲ)
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