Analysis of toxic gaseous combustion products

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Abstract
A rapid and accurate gas‐chromatographic method of analysis of toxic gases produced during the burning of solids containing chlorine has been developed. This technique enables chlorine, hydrogen chloride, phosgene, carbon dioxide and simple hydrocarbons to be estimated from a single sample; one further sample affords determination of carbon monoxide also.The method was applied to the combustion under a variety of conditions of temperature, oxygen availability and reaction time of a fire‐retardant building paper containing ∼20% of chlorine. Large quantities of carbon dioxide and hydrogen chloride were produced, chlorine, carbon monoxide and phosgene being minor products. The results are compared with maximum permissible concentrations and their application to actual fires is discussed.

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