引用本文:
海明潭, 高洁, 韩布兴, 闫海科, 刘芸, 韩其勇. 十二烷基硫酸钠/聚氧乙烯体系饱和蒸汽压和表面张力[J]. 物理化学学报,
1998, 14(08): 747-751.
doi:
10.3866/PKU.WHXB19980815
Citation: Hai Ming-Tan, Gao Jie, Han Bu-Xing, Yan Hai-Ke, Liu Yun, Han Qi-Yong. Vapour Pressure and Surface Tension of Aqueous Solution SDS-PEO[J]. Acta Physico-Chimica Sinica, 1998, 14(08): 747-751. doi: 10.3866/PKU.WHXB19980815
Citation: Hai Ming-Tan, Gao Jie, Han Bu-Xing, Yan Hai-Ke, Liu Yun, Han Qi-Yong. Vapour Pressure and Surface Tension of Aqueous Solution SDS-PEO[J]. Acta Physico-Chimica Sinica, 1998, 14(08): 747-751. doi: 10.3866/PKU.WHXB19980815
English
Vapour Pressure and Surface Tension of Aqueous Solution SDS-PEO
Abstract:
Vapor pressure and surface tension of the aqueous solution of sodium dodecyl sulfate(SDS)/polyethylene oxide(PEO) were measured at 298.15, 308.15 and 318.15K respectively, the concentration of PEO was 0.5%, and the concentration of SDS (mSDS ) was up to 80 mmol•kg-1 The activity coefficient of water at different temperatures was calculated. The effect of intermolecular interactions on the vapour pressure was discussed. From vapor pressure and surface tension data, the critical aggregate concentration (CAC) and polymer saturation point (PSP) were obtained.
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Key words:
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Polyethylene oxide
- / Sodium dodecyl sulfate
- / Vapor pressure
- / Surface tension
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