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Selective assessmen...
Selective assessment of C2-C6 alkenes in air by adsorption sampling and gas chromatography
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- Löfgren, Lars, 1964 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Nordlinder, Rolf (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Berglund, Pia M (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Petersson, Göran, 1941 (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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(creator_code:org_t)
- 1991
- 1991
- Engelska.
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Ingår i: Journal of environmental analytical chemistry. ; 45, s. 39-44
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Abstract
Ämnesord
Stäng
- A system is described for the specific determination in air of ethene, propene, the four isomeric butenes, cyclopentene and the six isomeric pentenes. The butenes, pentenes and hexenes are well separated from the commonly occurring matrix of alkanes in much higher concentrations. Field samples were taken using easily carried equipment consisting of an air pump connected to an adsorbent cartridge. An advantageous combination of triple-layer adsorbents was found to be Tenax + Carbotrap + Carbosieve S-III. In the laboratory, the hydrocarbons were thermally desorbed into a cold trap. The trap was directly linked to the aluminium oxide PLOT column which effected the alkene separations.
Ämnesord
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
Nyckelord
- ethene
- exhaust
- propene
- butenes
- vapor
- gasoline
- pentenes
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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