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P507萃取分离钻、镍技术鉴定会于1981年7月10日～12日在金川举行,共有十九个单位五十一名代表参加,会议由冶金工业部主持。 与会代表一致认为,上海有机化学研究所合成的2—乙基己基瞵酸单2—乙基己酯(简称P507)是一种高效分离钴、镍的萃取剂,它对钴、镍的分离系数比同样条件下的P204高几十倍至上百倍,其分离效果完全可以和叔胺萃取剂在氯化物溶液中分离
P507 extraction and separation drill, nickel technology appraisal will be held in Jinchuan July 10, 1981 to 12, a total of 51 units attended by 51 representatives, the meeting chaired by the Ministry of Metallurgical Industry. The participants agreed that the 2-ethylhexyl gallic acid mono-2-ethylhexyl ester (P507) synthesized by the Shanghai Institute of Organic Chemistry is an extractant with high efficiency for separating cobalt and nickel. Its separation coefficient for cobalt and nickel Than the same conditions P204 several times higher to hundreds of times, the separation effect can be completely separated from the tertiary amine extractant in chloride solution