Issue 3, 1988
From the journal:

Journal of the Chemical Society, Perkin Transactions 2

Piezoelectric quartz crystal detection of benzene vapour using chemically modified cyclodextrins

Colin S. I. Lai,   Gwilym J. Moody,   J. D. Ronald Thomas,   David C. Mulligan,   J. Fraser Stoddart  and  Ryszard Zarzycki  

Abstract

Three chemically modified cyclodextrins have been prepared, characterised by n.m.r. spectroscopy, and studied for their possible rôle as piezoelectric crystal coating detectors towards benzene vapour. 2,6-Per-O-methyl-β-cyclodextrin 3-perbenzoate (DMßCD-B7) is not recommended. 2,6-Per-O-(t-butyldimethylsilyl)-α-cyclodextrin (DSαCD) was found to be the best for the ca. 0.08–ca. 400 mg dm–3 range of benzene vapour in air. 2,6-Per-O-allyl-α-cyclodextrin (DAαCD) is a possible alternative. Both detector systems function for > 20 days. The detectors are selective towards benzene vapour over methane, propane, butane, pentane, ethyne, ammonia, nitrobenzene, and toluene. Toluene gives rise to the most serious interference. For the preferred DSαCD sensor, toluene only gives < 20% of the decrease in frequency observed with the corresponding amount of benzene. However, the interference is slightly greater for the DAαCD sensor.

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Article information

DOI
https://doi.org/10.1039/P29880000319
Article type
Paper

J. Chem. Soc., Perkin Trans. 2, 1988, 319-324

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Piezoelectric quartz crystal detection of benzene vapour using chemically modified cyclodextrins

C. S. I. Lai, G. J. Moody, J. D. R. Thomas, D. C. Mulligan, J. F. Stoddart and R. Zarzycki, J. Chem. Soc., Perkin Trans. 2, 1988, 319 DOI: 10.1039/P29880000319

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