title: Phosphotungstic acid-hematoxylin, reactivity in vitro.
mesh_terms: D000042:Absorption; D000588:Amines / Q000032:analysis; D000596:Amino Acids / Q000032:analysis; D007093:Imidazoles / Q000032:analysis; D066298:In Vitro Techniques; D007202:Indicators and Reagents; D010772:Phosphotungstic Acid / Q000378:metabolism; D013194:Staining and Labeling; D014414:Tungsten
chemical_list: D000588:Amines; D000596:Amino Acids; D007093:Imidazoles; D007202:Indicators and Reagents; D010772:Phosphotungstic Acid; D014414:Tungsten