publication . Article . 2001

Evaluation of Methyl Tert-Butyl Ether (Mtbe) as an Interference on Commercial Breath-Alcohol Analyzers

J. Michael Davis; Joachim D. Pleil; James R. Bowyer; Timothy J. Buckley;
Open Access
  • Published: 01 Dec 2001
Anecdotal reports suggest that high environmental or occupational exposures to the fuel oxygenate methyl tert-butyl ether (MTBE) may result in breath concentrations that are sufficiently elevated to cause a false positive on commercial breath-alcohol analyzers. We evaluated this possibility in vitro by establishing a response curve for simulated breath containing MTBE in ethanol. Two types of breath-alcohol analyzers were evaluated. One analyzer's principle of operation involves in situ wet chemistry (oxidation of ethanol in a potassium dichromate solution) and absorption of visible light. The second instrument uses a combination of infrared absorption and an el...
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free text keywords: Pathology and Forensic Medicine, Ether, chemistry.chemical_compound, chemistry, Potassium dichromate, Ethanol, Methyl tert-butyl ether, Oxygenate, Electrochemical gas sensor, Chromatography, Analytical chemistry, Quantitative analysis (chemistry), Infrared spectroscopy
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