Journal
JOURNAL OF CHEMICAL EDUCATION
Volume 90, Issue 12, Pages 1654-1657Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ed400280s
Keywords
UV-Vis Spectroscopy; Qualitative Analysis; Quantitative Analysis; Analytical Chemistry; Biochemistry; Toxicology; Second-Year Undergraduate; First-Year Undergraduate/General; General Public; High School/Introductory Chemistry
Funding
- European Union
- Romanian Government through the European Social Fund POS DRU [POSDRU/86/1.2/S/62307]
- Agency of Francophone Universities through a postdoctoral grant Eugen Ionescu
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An activity for hydrogen cyanide determination in cigarette smoke is described. The procedure is based on the absorption of hydrogen cyanide (HCN) from cigarette smoke in a 2% sodium carbonate solution followed by its reaction with ninhydrin and a color intensity measurement at 485 nm. To quantify HCN in cigarette smoke, the previously determined molar absorptivity is used. A naked-eye experiment is proposed to demonstrate the presence of HCN in cigarette smoke and to visualize smoking hazard.
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