title: Simplified wet ash procedure for total phosphorus analysis of organophosphonates in biological samples.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D008722:Methods; D009943:Organophosphorus Compounds / Q000032:analysis*; D010758:Phosphorus / Q000032:analysis*; D013053:Spectrophotometry
chemical_list: D009943:Organophosphorus Compounds; D010758:Phosphorus