Establishment of Toxic Metal Reference Range in Tobacco from U.S. Cigarettes
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Establishment of Toxic Metal Reference Range in Tobacco from U.S. Cigarettes
  • Published Date:

    Apr 02 2013

  • Source:
    J Anal Toxicol. 37(5):298-304.
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Filetype[PDF-286.68 KB]

  • Alternative Title:
    J Anal Toxicol
  • Description:
    Smoking remains the leading cause of preventable death in the United States. There are numerous harmful substances in tobacco and tobacco smoke. Among the more than 4,000 identified compounds in smoke, many metals contribute to the health risks associated with tobacco use. Specific metals found in tobacco and tobacco smoke have been classified as carcinogens by the International Agency for Research on Cancer. Exposure to toxic metals can cause outcomes including inflammation, sensitization and carcinogenesis. Metals in tobacco are transported in tobacco smoke proportionally with their concentrations in tobacco filler for a given cigarette design. To quantitatively examine the metal content in numerous tobacco products, high throughput methods are desired. This study developed a simple, rapid tobacco digestion method coupled with a sensitive analytical method using inductively coupled plasma-mass spectrometry. Because of known memory effects and volatility of mercury, quantitative determinations of mercury were made with a direct combustion analyzer. The methods were utilized to examine arsenic, beryllium, cadmium, chromium, cobalt, lead, manganese, mercury and nickel contents in cigarette tobacco and to establish a reference range for the metals in 50 varieties of cigarettes available in the US. These results are comparable to the limited data sets reported by others and with available standard reference material values.
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