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8247910 
Journal Article 
The trace analysis of polycyclic aromatic hydrocarbons (PAH) adsorbed on coal fly ash 
Janssen, F; Kanij, J 
1984 
1 
Microchimica Acta
ISSN: 0026-3672
EISSN: 1436-5073 
Springer-Verlag 
VIENNA 
82 
5-6 
481-486 
English 
WOS:A1984SR20000020 
(Carbon-14)-labeled 3,4-benzopyrene was deposited on coal fly ash and alumina (as reference material), desorbed by means of liquid extraction and determined with the help of liquid scintillation counting. Recoveries between 8 and 50 percent were found. A thermal treatment reduces the recovery of 3,4-benzopyrene significantly. The chemical composition of coal fly ash and the type of extractant have a less pronounced effect. © 1984 Springer-Verlag.