期刊文献+

十六烷基三甲基氯化铵与直接蓝199的相互作用 被引量:1

Interaction Between Cetyltrimethyl Ammonium Chloride and C. I. Direct Blue 199
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摘要 采用吸收光谱法和电导率法,研究了阳离子表面活性剂十六烷基三甲基氯化铵(CTAC)与直接蓝199(DB199)的相互作用。实验结果表明,当CTAC的浓度低于临界胶束浓度(CMC)时,混合溶液的电导率随CTAC浓度变化曲线与理论计算曲线基本吻合;高于CMC时,CTAC溶液中有80.88%的Cl-吸附在胶束的表面,当加入染料之后数量会降至78.48%。混合溶液的最大吸收波长(λmax)随着CTAC浓度的增加先发生蓝移后红移。λmax处吸光度随着CTAC的浓度增大先下降后上升。 The interaction between an anionic dye, C. I. direct blue 199 (DB199) and cetyltrimethyl ammonium chloride (CTAC) was investigated by conductivity testing and spectrophotometry. The experimental results revealed that when the concentration of CTAC was less than the critical miscelle concentration( CMC), the conductivity curve of the mixed solution is basically consistent with the theoretical values. When the concentration of CATC was higher than the CMC, approximately 80. 88% of the C1- was adsorbed on the surface of micelles, and it would can drop to 78.48% when dyes were added into the solution. The CTAC surfactant would can cause a hypochromic shift of the maximum absorption wavelength firstly and red-shift with the increase of snrfactant concentration. As the surfactant concentration increases, the absorption intensity is first decreased and then increased.
出处 《应用化学》 CAS CSCD 北大核心 2013年第9期1054-1059,共6页 Chinese Journal of Applied Chemistry
基金 国家自然科学基金资助项目(51173086) 生态纺织教育部重点实验室(东华大学)开放基金项目(ECO-ZD-2011-0011) 山东省自然科学基金支持(Y2008B62)
关键词 电导率 相互作用 DB199 聚集 conductivity,interaction, C. I. Direct Blue 199, aggregation
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参考文献19

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二级参考文献7

  • 1穆瑞花,宋俊,李仲谨.阳离子表面活性剂的优越性能及其合成工艺研究进展[J].中国洗涤用品工业,2006(4):41-44. 被引量:7
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