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Citation: Zhang Tianle, Ni Jiazuan. THE EXTRACTION OF MERCURY Ⅱ. FROM ACETIC ACID MEDIUM BY PRIMARY AMINE N₁₉₂₃[J]. Chinese Journal of Applied Chemistry, ;1988, 5(6): 61-63. shu

THE EXTRACTION OF MERCURY Ⅱ. FROM ACETIC ACID MEDIUM BY PRIMARY AMINE N₁₉₂₃

Zhang Tianle ,
Ni Jiazuan

1.
Changchan Institute of Applied Chemistry, Academia Sinica

Received Date: 11 July 1987
Available Online: 18 May 1988

In this paper the mechanism of the extraction of mercury acetate by primary amine N₁₉₂₃ is reported. The results show that the extraction mechanism varied with the acidity of water phase. The amine extracts mercury(Ⅰ)acetate by coordination mechanism at high pH value and in the system of conecentrated acetic acid N₁₉₂₃ extracts it by adduct mechanism. The extraction reactions are as follows: RNH_2(o)+Hg(CH₃COO)₂⇋Hg(RNH₂)(CH₃COO)_2(o) (CH₃COONH_R)_2(o)+Hg(CH₃COO)₂⇋(CH₃COONH₃R)₂·Hg(CH₃COO)_2(o) The cquilibrium constant and the heat of rcaction(△H) have been calculated. And IR, NMR spectra were applied in studying the bonding characteristic of the extracted compounds.
- Primary amine,
- Extraction mechanism,
- Mercury ion
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