Great was the relief of pharmacologists, therefore, when President McKitterick withdrew the acrolein advertising story pending further experiments, which are still going on.
The new, more subtle contaminants bear such exotic names as alkyl benzene solfonate and acrolein, and they differ in one major respect from the contaminants of a century and a .
The industry contends that the charcoal granules "scrub" out of the smoke a scary array of gasesincluding hydrogen cyanide, formaldehyde, ammonia and acroleinthat flatten .