Determination of Acetonitrile in Air Using a Piezoelectric Quartz Crystal Microbalance |
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Authors: | Ya I Korenman T A Kuchmenko D A Kudinov |
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Abstract: | The affinity of acetonitrile to different adsorbents used as modifiers of quartz crystal microbalance electrodes was estimated from quantitative sorption parameters. A piezoelectric quartz crystal microbalance with electrodes modified with a squalane solution in hexane was proposed for determining acetonitrile in air at a level of 0.5 MPC. The conditions of the formation of sensitive films (modifier weight and solvent) were optimized, and the interfering effect of alkyl acetates was studied. |
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