title: [Practical use of the model PPT-1 and OP-5122 polarographs].
mesh_terms: D007854:Lead / Q000032:analysis; D008669:Metallurgy / Q000295:instrumentation; D011048:Polarography / Q000295:instrumentation*; D014586:USSR
chemical_list: D007854:Lead
vernacular_title: Prakticheskoe primenenie poliarografov marki PPT-1 i OP-5122