The present invention provides for a device for detecting one or more target gas compounds, such as a volatile organic compound, such as formaldehyde, comprising a chamber comprising a gas inlet and a gas outlet, wherein the chamber is capable of absorbing one or more non-target gas compounds. When the device is in use, the gas outlet is in fluid communication with a detector capable of detecting the amount or concentration of the one or more target gas compounds.
STATEMENT OF GOVERNMENTAL SUPPORT
 The invention was made with government support under Contract Nos. DE-AC02-05CH11231 awarded by the U.S. Department of Energy, and Project No. 5R21OH008891-02 awarded by the National Institute for Occupational Safety and Health. The government has certain rights in the invention.