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Citation: 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, 5(2): 29-33. shu

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

1.
Changchun Institute of Applied Chemistry, Academia Sinica

Received Date: 2 July 1986
Available Online: 30 October 1986

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+RNH_2(o)⇌RNH₂·HgCl_2(o) And amine acidified by hydrochloric acid can extract mercury(Ⅱ) chloride through the adduct formation 2RNH₃Cl(o)+HgCl₂⇌2RNH₃Cl·HgCl₂(o)
- Extraction,
- Mercury ion,
- Organic amine,
- Mechanism
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STUDY ON THE MECHANISM OF EXTRACTION OF MERCURY(Ⅱ) CHLORIDE BY PRIMARY AMINE N₁₉₂₃