When wood is subjected to destructive distillation or is greatly heated in close vessels, an acid liquor oozes over with the tar and gaseous products. This acid liquor is the pyroligneous acid.
Through extraction with aqueous bicarbonate solution a solid (comprising 0.03 per cent of the wood) was isolated and ... its identity with piperonylic acid.
Normally, gastric acid appears to facilitate the chelation in the stomach of ferric salts with ascorbate and other exogenous or endogenous agents. Since these chelates then remain soluble in the ...
“This is the culmination of a long period of progress in chemistry,” explains Matthew Wood, a researcher at the University of Oxford who specializes in nucleic acid therapeutics for ...
In the BBC Radio 4 documentary Vitriolic, journalist Ayshea Buksh meets victims of acid attacks who have been scarred for life and had to undergo major surgery in their long recovery. Here she ...