STUDY ON THE MECHANISM OF EXTRACTION OF MERCURY(Ⅱ) CHLORIDE BY PRIMARY AMINE N1923

Chinese Journal of Applied Chemistry ›› 1988, Vol. 0 ›› Issue (2): 29-33.

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STUDY ON THE MECHANISM OF EXTRACTION OF MERCURY(Ⅱ) CHLORIDE BY PRIMARY AMINE N₁₉₂₃

Zhang Tianle, Ni Jiazuan, Li Deqian

Changchun Institute of Applied Chemistry, Academia Sinica

Received:1986-07-02 Revised:1986-10-30 Published:1988-04-10 Online:1988-04-10

Abstract

Abstract: In this paper the mechanism of extraction of mercury (Ⅱ) chloride by primary amine N₁₉₂₃ has been proposed. It shows that mercury chloride can be extracted by N₁₉₂₃ at pH>3.0. The composition of the extracted complex has been determined by isomolar continuous variation and saturation volume methods, IR and NMR measurements. The mechanism of the reaction is found to be as follows: HgCl₂+RNH₂(o)(i)RNH₂·HgCl₂(o) And amine acidified by hydrochloric acid can extract mercury(Ⅱ) chloride through the adduct formation 2RNH₃Cl(o)+HgCl₂(i)2RNH₃Cl·HgCl₂(o)

Key words: Extraction, Mercury ion, Organic amine, Mechanism

Zhang Tianle, Ni Jiazuan, Li Deqian . STUDY ON THE MECHANISM OF EXTRACTION OF MERCURY(Ⅱ) CHLORIDE BY PRIMARY AMINE N₁₉₂₃[J]. Chinese Journal of Applied Chemistry, 1988, 0(2): 29-33.

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STUDY ON THE MECHANISM OF EXTRACTION OF MERCURY(Ⅱ) CHLORIDE BY PRIMARY AMINE N₁₉₂₃

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