Determination of linear short chain aliphatic aldehyde and ketone vapors in air using a polystyrene-coated quartz crystal nanobalance sensor.
作者： Abdolreza MIRMOHSENI , Ali OLAD
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摘要: A polystyrene coated quartz crystal nanobalance (QCN) sensor was developed for use in the determination of a number linear short-chain aliphatic aldehyde and ketone vapors contained air. The modified by thin-layer coating commercial grade general purpose (GPPS) from Tabriz petrochemical company using solution casting method. Determination based on frequency shifts due to adsorption analytes at surface electrode exposure various concentrations analytes. shift found have relation concentration Linear calibration curves were obtained 7 − 70 mg l−1 with correlation coefficients range 0.9935 0.9989 sensitivity factors 2.07 6.74 Hz/mg l−1. storage period over three months showed no loss performance sensor.
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