Design and evaluation of an exhaled brea
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J. Francisco Periago; Aurelio Luna; Antonio Morente; Alfonso Zambudio
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Article
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1992
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John Wiley and Sons
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English
β 479 KB
We designed a breath sampler based on a tube which collects the final portion of exhaled air. The passage of successive fractions through a layer of activated charcoal is controlled by a three-way valve. This system was validated in a controlled atmosphere of n-hexane and toluene at four concentrati