title: Methylated forms of arsenic in the environment.
abstract: Environmental samples were analyzed for arsenate and arsenite ions and the methylarsenic acids in nanogram amounts. Dimethylarsinic acid and methylarsonic acid were found in natural waters, bird eggshells, seashells, and human urine.
mesh_terms: D000818:Animals; D001151:Arsenic / Q000032:analysis* / Q000652:urine; D004528:Egg Shell / Q000032:analysis; D004787:Environmental Pollution / Q000032:analysis*; D005431:Florida; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008722:Methods; D014867:Water / Q000032:analysis
chemical_list: D014867:Water; D001151:Arsenic