Retired medical examiner
by Dimitri L Contostavlos, M.D.
Methodology for a "fire safe cigarette" involves only the paper. My understanding is that the smouldering propensity of cigarettes was the result of addition of potassium nitrate (saltpeter) to the tobacco. Published listings of tobacco ingredients include only graphite and carbon as combustion agents. I find it hard to believe that the spontaneous burning property of cigarettes does not rely on the deliberate addition of an igniting agent, in contrast to cigars and pipe tobacco. Something has been concealed from us.
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