【摘要】 用198 Au示踪法研究在碱性条件下氯化甲基三烷基铵 (N2 63)萃取KAu(CN) 2 。实验考察水相金浓度、助剂或溶剂及相比对金萃取的影响 ,有机相金含量与水含量间的关系。结果表明 :N2 63对金萃取能力较强 ,金的萃取并不需要水的参与。更多还原

【Abstract】 The solvent extraction of KAu(CN) 2 from alkaline solution by the tri n alkyl ammonium chloride (N263) using 198 Au tracer has been investigated. The effects of various parameters, such as gold (Ⅰ) concentration in aqueous phase, cosolvent, phase ratio on the extraction of gold (Ⅰ) are studied. The results demonstrate that almost all of gold (Ⅰ) in aqueous phase can be extracted into the organic phase. Water concentration decreases significantly with the increase of gold (Ⅰ) concentration in the organic phase. No water molecule could be involved in the extraction of gold (Ⅰ).更多还原