NDLI: Application of Polydimethylsiloxane as Adsorbent for Detection of Aliphatic Hydrocarbon Compounds Vapours Using Quartz Crystal Microbalance (QCM)

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Application of Polydimethylsiloxane as Adsorbent for Detection of Aliphatic Hydrocarbon Compounds Vapours Using Quartz Crystal Microbalance (QCM)

Content Provider	Semantic Scholar
Author	Mirmohseni, Abdolreza Hassanzadeh, Vadood
Copyright Year	2000
Abstract	Polydimethylsiloxane (PDMS) was used as adsorbent for detection and determination of some allphatic hydrocarbons such as n-pentane, n-hexane, n-heptane, and cyclohexane . The contamination of environment by these volatile organic compounds is a seriousproblemdue to theirpotentialhuman toxicity . Therefore, analysis of these compounds has become more and more important and various techniques have been developed to target this aim . A thin layer of PDMS was coated at the surface of an AT-cut gold-coated quartz crystal electrodes and a sensor based on the technique of quartz crystal microbalance has been developed for the detection of these organic vapours. Detection wasbasedon the measurement of the frequencyshiftsdue to the adsorption of the organic compounds on the polymer film . Calibration graphs were constructed by plotting the frequency changes (AFIHz) against the concentration of organic compounds . Using this method, the detection of these organic vapours was successfully carried out at parts per million concentrations.
Starting Page	163
Ending Page	167
Page Count	5
File Format	PDF HTM / HTML
Volume Number	9
Alternate Webpage(s)	http://journal.ippi.ac.ir/manuscripts/ipjE00090304.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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