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研究了环烷酸和仲辛醇的混合体系萃取钪的性能和机理 .实验表明 :在体系 Sc3+ (～ 1 0 - 4 mol/L) /HCl KCl (μ=0 .2 ) /HA-ROH-煤油中 ( HA代表环烷酸 ,ROH代表工业仲辛醇 ) ,仲辛醇未参与萃合反应 .利用斜率法测得萃合物在有机相中的组成为 Sc( OH) 2 A.3 HA,并计算了室温下其萃取平衡常数 lg K=5.5
The performance and mechanism of scandium extraction from a mixed system of naphthenic acid and sec-octanol were studied. The experimental results showed that the scandium (Ⅱ) In kerosene (HA stands for naphthenic acid and ROH stands for industrial secondary octanol), secondary octanol does not participate in the extraction reaction. The composition of the extract in the organic phase is Sc (OH) 2 A.3 HA , And calculated its room temperature extraction equilibrium constant lg K = 5.5