title: Improvements in quantitative gas phase analysis of catecholamines in the picomole range by electron-capture detection and mass fragmentography of their pentafluorobenzylimine-trimethylsilyl derivatives.
mesh_terms: D000311:Adrenal Glands / Q000032:analysis; D002395:Catecholamines / Q000032:analysis*; D002849:Chromatography, Gas; D004298:Dopamine / Q000032:analysis; D004583:Electrons; D005464:Fluorobenzenes / Q000032:analysis; D007097:Imines / Q000032:analysis; D013058:Mass Spectrometry; D008433:Mathematics; D008697:Methane; D008722:Methods; D008745:Methylation; D008832:Microchemistry; D009638:Norepinephrine / Q000032:analysis; D012825:Silicon; D012995:Solubility; D014020:Tissue Extracts / Q000032:analysis; D005466:Fluorocarbons
chemical_list: D002395:Catecholamines; D004298:Dopamine; D005464:Fluorobenzenes; D007097:Imines; D008697:Methane; D009638:Norepinephrine; D012825:Silicon; D014020:Tissue Extracts; C008784:pentafluorobenzylimine; D005466:Fluorocarbons