title: Organic substances in potable water and in its precursor. I. Methods for their determination by gas-liquid chromatography.
mesh_terms: D000327:Adsorption; D002606:Charcoal; D002849:Chromatography, Gas / Q000295:instrumentation; D013058:Mass Spectrometry; D008722:Methods; D008832:Microchemistry; D014131:Trace Elements / Q000032:analysis; D014877:Water Pollution, Chemical / Q000032:analysis*
chemical_list: D014131:Trace Elements; D002606:Charcoal