Abstract

Gas chromatographic method has been developed for determination of nitro polycyclic aromatic hydrocarbons (nitro-PAHs) in automobile exhaust.Nitro-PAHs are determined by gas chromatography (GC) using a flexible fused silica capillary column and splitless injection with a surface ionization detector (SID), which is a sensitive and selective detector for GC.It has been shown that the GC in combination with SID provides a selective and sensitive method for determination of nitro-PAHs in diesel exhaust particulates after the HPLC fractionation as a pre-treatment.

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