title: [Improvement of x-ray spectrometric results by a modified background-ratio method].
mesh_terms: D000818:Animals; D001151:Arsenic / Q000032:analysis; D002417:Cattle; D008099:Liver / Q000032:analysis; D012987:Soil / Q000032:analysis; D013057:Spectrum Analysis / Q000379:methods* / Q000592:standards; D013552:Swine; D014965:X-Rays; D015032:Zinc / Q000032:analysis
chemical_list: D012987:Soil; D015032:Zinc; D001151:Arsenic
vernacular_title: Die Verbesserung röntgenanalytischer Ergebnisse durch eine modifizierte Streustrahlungs-Quotienten-Methode