title: Determination of arsenic species in natural waters.
mesh_terms: D001151:Arsenic / Q000032:analysis*; D008722:Methods; D008832:Microchemistry; D013054:Spectrophotometry, Atomic; D014835:Volatilization; D014873:Water Pollutants / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D014873:Water Pollutants; D014874:Water Pollutants, Chemical; D001151:Arsenic