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Author
Fardell, P. J. | Murrell, J. M. | Murrell, J. V.
Title
Chemical 'Fingerprint' Studies of Fire Atmospheres.
Coporate
Fire Research Station, Borehamwood, England
Journal
Fire and Materials, Vol. 10, No. 1, 21-28, March 1986
Keywords
large scale fire tests
Abstract
Large-scale fire experiments have been carried out in a special test rig to study the chemical nature of fire atmospheres using a 'fingerprint' sampling and analysis method. Four polymeric materials--wood, polypropylene, polymethyl methacrylate and polystyrene foam--were used separately as fuel, with both high and low ventilation. In addition to oxides of carbon the fingerprints yielded typically between twenty and forty different chemical compounds including several (e.g. aldehydes) with could contribute significantly to the irritancy of the fire gases. The change in nature of the fingerprint gases with the different ventilation conditions, different polymeric materials and with different stages of the same fire is duscussed, together with the toxicological significance of the results.