Abstract
Research report:Two techniques for the collection and analysis of polynuclear aromatic (PNA) compounds in ambient air are compared. One technique involves the use of polyurethane plugs as standard demister traps. In the other method, Bondapak-C18 on Porasil mesh is packed in glass tubes to extract PNA's from circulating air. The ease of desorption of PNA's from the C18 material, the savings of solvents and time, and the higher PNA collection efficiency suggests that C18 -bound adsorbants provide a better method of collecting and analyzing PNA's in ambient air. (3 graphs, 10 references)
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