title: Mercury in Kjeldahl analysis: a simple recycling method.
mesh_terms: D000818:Animals; D002384:Catalysis; D002417:Cattle; D002623:Chemistry Techniques, Analytical / Q000379:methods; D005243:Feces / Q000032:analysis; D008628:Mercury; D008892:Milk / Q000032:analysis; D010940:Plant Proteins / Q000032:analysis; D011506:Proteins / Q000032:analysis*; D012756:Sheep
chemical_list: D010940:Plant Proteins; D011506:Proteins; D008628:Mercury