title: Calibration techniques used in the direct determination of atmospheric metallic pollutant levels (10-10-10-12 g).
mesh_terms: D000397:Air Pollution / Q000032:analysis*; D002104:Cadmium / Q000032:analysis; D007854:Lead / Q000032:analysis; D008670:Metals / Q000032:analysis*; D008722:Methods; D008832:Microchemistry; D010984:Platinum; D012492:Salts / Q000032:analysis; D012997:Solvents; D013054:Spectrophotometry, Atomic / Q000295:instrumentation; D013696:Temperature
chemical_list: D008670:Metals; D012492:Salts; D012997:Solvents; D002104:Cadmium; D007854:Lead; D010984:Platinum