title: Improving laboratory safety: replacing benzene by toluene in phosphate analyses.
mesh_terms: D000056:Accident Prevention; D001554:Benzene; D006801:Humans; D007753:Laboratories; D009943:Organophosphorus Compounds / Q000032:analysis*; D012449:Safety; D014050:Toluene / Q000633:toxicity*
chemical_list: D009943:Organophosphorus Compounds; D014050:Toluene; D001554:Benzene