title: Wet ashing in biological samples in a microwave oven under pressure using poly(tetrafluoroethylene) vessels.
mesh_terms: D000818:Animals; D002417:Cattle; D005399:Fishes / Q000378:metabolism; D008099:Liver / Q000032:analysis*; D008670:Metals / Q000032:analysis; D008872:Microwaves; D011138:Polytetrafluoroethylene; D011312:Pressure
chemical_list: D008670:Metals; D011138:Polytetrafluoroethylene