title: Tentative method of analysis for copper content of atmospheric particulate matter by atomic absorption spectroscopy.
mesh_terms: D000388:Air / Q000032:analysis*; D003300:Copper / Q000032:analysis*; D005374:Filtration; D006851:Hydrochloric Acid; D009566:Nitrates; D013054:Spectrophotometry, Atomic
chemical_list: D009566:Nitrates; D003300:Copper; D006851:Hydrochloric Acid