Lecture The analysis of DDTs and chlordanes and their metabolites by gas chromatography tandem mass spectrometry: Comparing atmospheric pressure ionisation with electron impact and chemical ionisation. Huber, S.; Warner, N.A.; Nøst, T.H.; Fuskevåg, O.M.; Brox, J. Publication details Poster presented at XXXVIII Colloquium Spectroscopium Internationale, 16. - 20. June 2013, Tromsø, Norway