title: Elemental and molecular mass spectrometry for speciation analysis.
authors.forename: Jörg
authors.initials: J
authors.lastname: Feldmann
mesh_terms: D001151:Arsenic / Q000032:analysis*; D013058:Mass Spectrometry / Q000295:instrumentation / Q000379:methods* / Q000639:trends*; D019216:Metals, Heavy / Q000032:analysis; D012643:Selenium / Q000032:analysis
chemical_list: D019216:Metals, Heavy; D012643:Selenium; D001151:Arsenic