
摘要:本文合成了一种低极性四丁基丙二酰胺类萃取剂:2-十二烷基-N,N,N′,N′-四丁基丙二酰胺(TBDMA),并用红外、核磁确证该物质。探究了不同条件下,TBDMA与水溶液的界面张力。实验结果表明:界面张力随着盐酸浓度的升高逐渐降低,随着氢离子浓度的升高逐渐降低,随着氯化钠浓度增大逐渐升高;并通过对实验现象分析,我们给出合理的解释。
关键词:界面张力;2-十二烷基-N,N,N′,N′-四丁基丙二酰胺;滴体积;盐酸
Abstract: A kind of low-polar compounds of malonamide, 2-dodecyl-N,N,N′,N′-tetrabutyl-malonamide (TBDMA), was synthesized and determined by IR and 1HNMR. The interfacial tension between aqueous phase with organic phase was measured in different condition. The experimental results showed that the interfacial tension gradually reduced with the increasing concentration of hydrochloric acid and so is the hydrogen ion, and increased with the concentration of sodium chloride, and through analyzing the experiment phenomenon, we gave a reasonable explanation.
Keywords: interfacial tension; 2-dodecyl-N,N,N′,N′-tetrabutylmalonamide; drop volume; hydrochloric acid订阅方式:
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