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Suslick, Kenneth
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Publications (9/9 displayed)
- 2017Ultrafast Proton Transfer in Polymer Blends Triggered by Shock Wavescitations
- 2015Synthesis of Manganese Oxide Microspheres by Ultrasonic Spray Pyrolysis and Their Application as Supercapacitorscitations
- 2015High surface area iron oxide microspheres via ultrasonic spray pyrolysis of ferritin core analoguescitations
- 2015Composite CaO-based CO2 sorbents synthesized by ultrasonic spray pyrolysiscitations
- 2010A simple and highly sensitive colorimetric detection method for gaseous formaldehydecitations
- 2009Dual templating synthesis of mesoporous titanium nitride microspherescitations
- 2005Sonochemical preparation of hollow nanospheres and hollow nanocrystalscitations
- 2003A Robust Microporous Zinc Porphyrin Framework Solidcitations
- 2002Synthetic hosts by monomolecular imprinting inside dendrimerscitations
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article
A simple and highly sensitive colorimetric detection method for gaseous formaldehyde
Abstract
<p>A colorimetric detection method using amine-functionalized polymer films doped with a pH indicator has been developed for the rapid, sensitive, and quantitative detection of gaseous formaldehyde at concentrations well below the immediately dangerous to life or health (IDLH) limit. In 1 min, visible color changes are easily observed, even down to the permissible exposure limit (PEL) at 750 ppb. The limit of detection is below 50 ppb (7% of the PEL) after 10 min of exposure. This sensor is essentially unaffected by changes in humidity or temperature (4 to 50 °C) and is not sensitive to common interferents.</p>