7-(2'-烷基-1'-烯基)-8-羟基喹啉(N-604)──一种锗的新萃取剂

7-(2'-Alkyl-1'-alkenyl)-8-hydroxyquinoline (N-604),a novel extractant for Ge(Ⅳ)

考察了７－（２＇－烷基－１＇－烯基）－８－羟基喹啉（Ｎ－６０４）萃取Ｇｅ（Ⅳ）的基本性能。结果表明，它是一种锗的优良新萃取剂。采用１０％（Ｖ／Ｖ）Ｎ－６０４－５０％（Ｖ／Ｖ）Ｃ７￣９醇－煤油有机相可从强酸性至弱碱性的硫酸盐溶液中有效地萃取Ｇｅ，有机相中的Ｇｅ可用稀的ＮａＯＨ溶液反萃取。

The extraction behaviours for Ge(Ⅳ) by a new extractant, 7-(2'-alkyl-1'-alkenyl)-8-hydroxyquinoline (N-604), were preliminarily investigated. Using 10%(v/v) N-604-50% (v/v) C7～9 aliphatic alcohol as the organic phase, Ge can be effectively extracted from the sulfate solutions in the range from strong acidity to slight basicity. The Ge in organic phase can be stripped by dilute NaOH solution.