Monitor adsorption performance of surfactant on paraffine film by LCM

QI Yong; KANG Qi; LI Xiao-yu; SHEN Da-zhong

doi:10.13873/j.1000-97872006.09.014

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Monitor adsorption performance of surfactant on paraffine film by LCM

更新时间：2025-09-11

- Monitor adsorption performance of surfactant on paraffine film by LCM
- Issue 9, Pages: 43-45(2006)
- 作者机构：
  
  1. 山东师范大学化学化工与材料科学学院
  2. 山东师范大学化学化工与材料科学学院,山东,济南,250014
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872006.09.014
  CLC： TH715;TP212
- Published：2006
- 稿件说明：
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[1]亓永,康琪,李晓玉,申大忠.硅酸镧镓晶体微天平测定石蜡膜的吸附特性[J].传感器与微系统,2006(09):43-45.

QI Yong, KANG Qi, LI Xiao-yu, et al. Monitor adsorption performance of surfactant on paraffine film by LCM[J]. 2006, (9): 43-45.
[1]亓永,康琪,李晓玉,申大忠.硅酸镧镓晶体微天平测定石蜡膜的吸附特性[J].传感器与微系统,2006(09):43-45. DOI： 10.13873/j.1000-97872006.09.014.

QI Yong, KANG Qi, LI Xiao-yu, et al. Monitor adsorption performance of surfactant on paraffine film by LCM[J]. 2006, (9): 43-45. DOI： 10.13873/j.1000-97872006.09.014.

摘要

硅酸镧镓晶体微天平（LCM）是以硅酸镧镓晶体为压电材料研制的新型压电式传感器

对表面质量负载变化有灵敏的频率响应。在LCM表面浇铸石蜡薄膜

实时监测十二烷基苯磺酸钠在石蜡膜表面吸附过程中的质量变化

结果表明:其吸附过程呈现可逆吸附特征

并可以用Langmu ir等温线和动力学模型进行回归分析

获得吸附/脱附速率常数、平衡常数、饱和吸附量等参数

并讨论了盐浓度的影响。

Abstract

A langasite crystal microbalance（LCM）

a new type of piezoelectric sensor is fabricated by using langasite crystal as the piezoelectric material.The LCM has a sensitive frequency response to the change on surface mass loading.A paraffine film is cast on the surface of the LCM.The adsorbed mass of sodium dodecyl sulfonate on paraffine surface is monitored real time by the LCM sensor.The result shows shown that the adsorption performance is reversible and regress analyse is done by the Langmuir type isotherm.The rate constants for adsorption and desorption

equilibrium constant of adsorption and saturation adsorbed mass are obtained.The influence of salt concentration is tested.

关键词

Keywords

references

Oscillating Frequency Response of a Langasite Crystal Microbalance in Liquid Phase [J]. Qi KANG1,Huai Jin ZHANG2, Xue Yong LIU1, Da Zhong SHEN1 1School of Chemistry and Chemical Engine ering, Shandong University, Jinan 250100 2 State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100. Chinese Chemical Letters . 2005(11)

压电式传感器测定蛋白质吸附动力学参数 [J]. 康琪,胡敬田,李敏,陈果,申大忠. 传感器技术 . 2003(04)

压电化学与生物传感[M]. 湖南师范大学出版社 , 姚守拙著, 1997

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Related Institution

College of Computer Science,Chongqing University

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