Quartz Crystal Microbalance (QCM): An Alternative Analytical Method for Investigation in Real‐Time of Liquid Properties
2010
In this paper we study the possibility to develop an alternative Analytical Method for Investigation in Real‐Time of Liquid Properties, the layout and the operation with Quartz Crystal Microbalance (QCM) Systems. The quartz crystal microbalance (QCM) can be accepted as a powerful technique to monitor adsorption and desorption processes at interfaces in different chemical and biological areas. In our paper, Quartz Crystal Microbalance is used to monitor in real‐time the polymer adsorption followed by azoic dye adsorption and then copolymer adsorption as well as optimization of interaction processes and determination of solution effects on the analytical signal. The solutions of azoic dye (5⋅10−4 g/L, 5⋅10−5 g/L and 5⋅10−6 g/L in DMF) are adsorbed at gold electrodes of QCM and the sensor responses are estimated through decrease and increase of QCM frequency. Also, the response of the sensor at maleic anhydride (MA) copolymer with styrene St (MA‐St copolymer concentration of solution: 5⋅10−4 g/L; 5⋅10−5 g/L ...
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