Formaldehyde sorption and desorption characteristics of gypsum wallboard.

@article{Matthews1987FormaldehydeSA,
  title={Formaldehyde sorption and desorption characteristics of gypsum wallboard.},
  author={T. Matthews and Alan R. Hawthorne and Cyril V. Thompson},
  journal={Environmental science & technology},
  year={1987},
  volume={21 7},
  pages={
          629-34
        }
}
  • T. Matthews, Alan R. Hawthorne, Cyril V. Thompson
  • Published 1987
  • Chemistry, Medicine
  • Environmental science & technology
  • The sorption and subsequent desorption of formaldehyde (CH/sub 2/O) vapor from unpainted gypsum wallboard have been investigated in environmental chamber experiments conducted at 23 /sup 0/C, 50% relative humidity, an air exchange to board loading ratio of 0.43 m/h, and CH/sub 2/O concentrations ranging from 0 to 0.50 mg/m/sup 3/. Both CH/sub 2/O sorption and CH/sub 2/O desorption processes are described by a three-parameter, single-exponential model with an exponential lifetime of 2.9 +/- 0.1… CONTINUE READING
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