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> Spetz Anders 1969 >
Isoprene from expir...
Isoprene from expired air inside a private car
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- Björkqvist, Susan, 1967 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Spetz, Anders, 1969 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Ramnäs, Olle Jerker, 1941 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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visa fler...
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- Petersson, Göran, 1941 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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visa färre...
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(creator_code:org_t)
- 1997
- 1997
- Engelska.
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Ingår i: The science of the total environment. ; 207, s. 63-67
- Relaterad länk:
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http://publications.... (primary) (free)
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Abstract
Ämnesord
Stäng
- The concentration of isoprene inside a small-sized parked private car with one person was found to be of the order of 20 g/m3. Isoprene was then the major non-methane volatile hydrocarbon except in strongly traffic-polluted parking places. On driving, with intermediate fan ventilation, the isoprene levels were one order of magnitude lower. In the empty car, the concentrations were still much lower, proving that isoprene originates predominantly from expired air. Air samples were taken on triple-layer adsorbent cartridges and were analysed for volatile hydrocarbons by gas chromatography after thermal desorption. The analytical aluminium oxide column permitted simultaneous determination of a range of reported traffic-emitted hydrocarbons including the carcinogenic 1,3-butadiene and benzene.
Ämnesord
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinsk bioteknologi -- Medicinsk bioteknologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Medical Biotechnology -- Medical Biotechnology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
Nyckelord
- automobiles
- isopene
- adsorbent sampling
- human breath
- gas chromatography
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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