表面活性剂分子在溶剂中缔合形成胶束的最低浓度即为临界胶束浓度(critical micelle concentration cmc)表面活性剂的表面活性源于其分子的两亲结构,亲水基团使分子有进入水中的趋势,而憎水基团则竭力阻止其在水中溶解而从水的内部向外迁移,有逃逸水相的倾向。这两种倾向平衡的结果使表面活性剂在水表富集,亲水基伸向水中,憎水基伸向空气,其结果是水表面好像被一层非极性的碳氢链所覆盖,从而导致水的表面张力下降。
临界胶束浓度(critical micelle concentration, CMC)即指形成胶束的最低浓度。形成的 胶束可以是球状、棒状或层状,其形状取决于表面活性剂分子自身的结构影响...
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31 临界胶束浓度(Critical micell concentration) 临界胶束浓度,也有称临界胶团浓度,简称CMC。
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...超过一定浓度时单体会缔合成胶束,胶束形成致使溶液性质突变 时的浓度称为临界胶束浓度(critical micellization concentration,CMC)。
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临界胶束浓度简称 CMC
第二临界胶束浓度 critical micelle concentration II
临界胶束浓度的测定 Determination of critical micellization concentration
浓度称为临界胶束浓度 critical micell concentration ; CMC
为临界胶束浓度 critical micell concentration
的临界胶束浓度 critical micellar concentration
超过临界胶束浓度 critical micellar concentration
对较低的临界胶束浓度 critical micelle concentration
临界胶束浓度 critical micell concentration
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临界胶束浓度是表面活性剂的重要物理化学性质。
Critical micelle concentration is an important physicochemical property of surfactants.
还测定了所合成产品的表面张力和临界胶束浓度。
Surface tensions and critical micelle concentrations of the products were also determined in this paper.
SDS的表面张力及临界胶束浓度的变化与添加的环糊精的性质有关。
The surface tension and critical micelle concentration of SDS were influenced by the properties of the cyclodextrins added.
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