title: Selection of a suitable internal standard in head space gas chromatographic breath ethanol analysis after adsorption on silica gel.
mesh_terms: D000042:Absorption; D001944:Breath Tests; D002849:Chromatography, Gas; D000431:Ethanol / Q000032:analysis*; D012015:Reference Standards; D058428:Silica Gel; D012822:Silicon Dioxide
chemical_list: D000431:Ethanol; D058428:Silica Gel; D012822:Silicon Dioxide