title: Atomic absorption determination of zinc, copper, cadmium, and lead in tissues solubilized by aqueous tetramethylammonium hydroxide.
mesh_terms: D000818:Animals; D002104:Cadmium / Q000032:analysis*; D003300:Copper / Q000032:analysis*; D006197:Hair / Q000032:analysis*; D007668:Kidney / Q000032:analysis*; D007854:Lead / Q000032:analysis*; D008099:Liver / Q000032:analysis*; D008722:Methods; D009566:Nitrates; D010472:Perchlorates; D000644:Quaternary Ammonium Compounds; D012995:Solubility; D013054:Spectrophotometry, Atomic; D015032:Zinc / Q000032:analysis*
chemical_list: D009566:Nitrates; D010472:Perchlorates; D000644:Quaternary Ammonium Compounds; D002104:Cadmium; D007854:Lead; D003300:Copper; D015032:Zinc