## Abstract Experimental studies have demonstrated that there are close correlations between the normalized yields of carbon monoxide (CO) and hydrogen cyanide (HCN) from the combustion of materials containing nitrogen. In this paper, a generalized relationship using the stoichiometric oxygen to fu
The role of hydrogen cyanide and carbon monoxide in fire casualties: A prospective study
✍ Scribed by Per Lundquist; Lennart Rammer; Bo Sörbo
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 396 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0379-0738
No coin nor oath required. For personal study only.
✦ Synopsis
Determinations of blood cyanide and carboxyhemoglobin concentrations were performed in 18 victims found dead in buildings after fires during a 2-year period. The results indicated that 50% of the victims had been exposed to toxic levels of hydrogen cyanide and 90% to toxic levels of carbon monoxide. Lethal concentrations of carbon monoxide were found in 83% of the victims. In one case a lethal blood cyanide but a non-toxic blood carboxyhemoglobin value was found. It is concluded that carbon monoxide appears to be more important than hydrogen cyanide as a toxic agent in the fire atmosphere, but cyanide poisoning without carbon monoxide poisoning may, under certain circumstances, be the cause of death in fire victims.
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The kinetics of the slow oxidation of CO in the presence of Hz have been studied above the second explosion limit for the mixture 2CO + 0 2 + X% Hz a t the temperature range of 53O-57O0C, pressures from 300 to 530 torr, and hydrogen contents of 1.1,2.8, and 5.7%. The second explosion limit has been