Quantification of low levels of organochlorine pesticides using small volumes of plasma of wild birds through gas chromatography negative chemical ionization mass spectrometry
<p>A solid phase extraction and gas chromatography with negative chemical ionization mass spectrometry in scan mode (GC-NCI-MS) method was developed to identify and quantify for the first time low levels of organochlorine pesticides (OCs) in plasma samples of less than 100 ?l from wild birds.