A Field method for sampling benzene in end-exhaled air

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      <subfield code="a">Ljungkvist, Göran M.</subfield>
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      <subfield code="c">Göran M. Ljungkvist, Rolf G. Nordlinder</subfield>
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      <subfield code="a">A simple and reliable field method is presented for sampling and analysis of benzene in end-exhaled air. The sample is collected directly on an adsorbent tube while the subject exhales through a sampling device consisting of a modified peak expiratory flow meter. To ensure sampling of end-exhaled air, the temperature of the breath is monitored during expiration. The analytes subsequently are thermally desorbed and analyzed, shipping is easy, storage is possible, and clean up is unnecessary</subfield>
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      <subfield code="a">American Industrial Hygiene Association journal</subfield>
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      <subfield code="t">American Industrial Hygiene Association journal</subfield>
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      <subfield code="g">Vol. 56, nº 7, July 1995 ; p. 693-697</subfield>
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