萃取平衡 (1)平衡常数 Nernst 在1891年提出的溶剂萃取分配定律是:在一定温度下,当某一溶质在互不相溶的两相溶剂(水相/有机相) 中达到分配平衡时,该溶质在两相中的浓度比为一个常数,该常数称为平衡常数(KD)。 实验发现, KD是一个常数的条件是, 温度不变,溶质A在溶液的浓度极低,且存在形式不变。溶质浓度高时, KD存在偏离。应使用活度代替浓度计算。(存在溶质分子间的相互作用)
...萃取平衡 辛烷 乙基己基膦酸单乙基己酯 铒 [gap=416]Keywords】: RARE EARTH SERIES,SULFURIC ACID,EXTRACTION,EXTRACTION EQUILIBRIUM,OCTANE,ETHYLHEXYL PHOSPHONIC ACID MONOETHYL HEXYLESTER,ERBIUM ..
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莱姆萃取平衡油脂分泌 limefruitextract
萃取平衡常数 extracting equilibrium constant
萃取平衡和动力学 Extraction equilibrium kinetics
半微量萃取平衡装置 semimicro extraction equilibrium
胺类对乙酸的萃取为化学萃取,反应平衡常数与萃取平衡分配系数有一定联系。
The extraction of acetic acid by amines is a kind of chemical extraction. There are some connections between reaction equilibrium constant and distribution equilibrium constant.
萃取平衡分配数据是进行萃取流程工艺优化设计及萃取生产过程控制的基本依据。
The distribution data of extraction equilibrium serves as the basis for process optimization, design and control of the extraction production process.
从几种有效溶剂对盐酸的萃取平衡关系,选择叔胺进行详细试验研究,取得有关的萃取数据。
From equilibria of HC1 extraction with several solvents, an amine mixture has been considered very effective and selected for detailed study by using feeds with and without L-cystine in solution.
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