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首页> 外文会议>International solvent extraction conference >SOLVENT EXTRACTION OF DIVALENT ZINC AND LEAD FROM SODIUM HYDROXIDE SOLUTIONS BY AN ALKYLATED HYDROXYQUINOLINE
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SOLVENT EXTRACTION OF DIVALENT ZINC AND LEAD FROM SODIUM HYDROXIDE SOLUTIONS BY AN ALKYLATED HYDROXYQUINOLINE

机译：烷基化羟基喹啉溶剂萃取二价锌和氢氧化钠溶液铅

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摘要

The extraction of zinc (Ⅱ) and lead (Ⅱ) from sodium hydroxide solutions by Kelex 100 (7-(5,5,7,7-tetramethyl-l-octen-3-yl) 8-hydroxyquinoline) in kerosene has been investigated under different conditions with the addition of alcohol. It was found that when alcohol is added to the organic phase, the extraction of zinc(Ⅱ) and lead(Ⅱ) is enhanced with the limited amounts of alcohol added at low alkali concentration, although the extraction efficiency for zinc (Ⅱ) is higher than that for lead (Ⅱ). In contrast, the extraction is supressed on addition of alcohol at higher alkali concentrations.
机译：研究了Kelex 100（7-（5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,7,7-四甲基-3-基）在煤油中的氢氧化钠溶液（Ⅱ）和铅（Ⅱ）的提取物在不同的条件下加入酒精。发现当醇加入有机相时，锌（Ⅱ）和铅（Ⅱ）的提取，并在低碱浓度下加入有限的醇，尽管锌（Ⅱ）的提取效率更高比铅（Ⅱ）。相反，在碱碱浓度下加入醇萃取在醇上挤压。

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