ADSORPTION OF GOLD BY IMPREGNATED RESIN N503 AND ITS APPLICATION IN ANALYSIS OF GOLD IN ORES

Chinese Journal of Applied Chemistry ›› 1992, Vol. 0 ›› Issue (3): 15-19.

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ADSORPTION OF GOLD BY IMPREGNATED RESIN N₅₀₃ AND ITS APPLICATION IN ANALYSIS OF GOLD IN ORES

Chen Jianrong¹, Zhou Zhirui², Tang Fulong²

1. Department of Chemistry, Zhejiang Normal University, Jinhua 321004;
2. Department of Chemistry, Hangzhou University, Hangzhou

Received:1991-01-28 Revised:1991-05-14 Published:1992-06-10 Online:1992-06-10

Abstract

Abstract: The characteristics and mechanism of the adsorption of gold in hydrochloric acid medium by impregnated resin N₅₀₃ N,N-di(sec-octyl) acetamide have been studied. The ratio of gold to N₅₀₃ in the adsorbate is 1:2. IR and chemical analysis show that the gold is adsorbed in form of AuCl₄^-. The adsorption is an ion association reaction: 2N₅₀₃+H⁺+AuCl₄^-=(N₅₀₃)₂·H⁺·AuCl₄^- Gold in ores has been seperated and determined by N₅₀₃ satisfactorily.

Key words: gold, N, N-di(see-octyl)acetamide, impregnated resin, adsorption

Chen Jianrong, Zhou Zhirui, Tang Fulong. ADSORPTION OF GOLD BY IMPREGNATED RESIN N₅₀₃ AND ITS APPLICATION IN ANALYSIS OF GOLD IN ORES[J]. Chinese Journal of Applied Chemistry, 1992, 0(3): 15-19.

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ADSORPTION OF GOLD BY IMPREGNATED RESIN N₅₀₃ AND ITS APPLICATION IN ANALYSIS OF GOLD IN ORES

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