title: [Rapid colorimetric method of determination of iron, copper and zinc in a weighed portion of ashes of biological material].
mesh_terms: D003124:Colorimetry / Q000379:methods*; D003300:Copper / Q000032:analysis*; D006358:Hot Temperature; D006801:Humans; D007501:Iron / Q000032:analysis*; D015032:Zinc / Q000032:analysis*
chemical_list: D003300:Copper; D007501:Iron; D015032:Zinc
vernacular_title: Uskorennyĭ kolorimetricheskií metod opredeleniia zheleza, medi i tsinka v odnoĭ naveske zoly biologicheskogo materiala