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 } }
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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