title: Automated colorimetric determination of penicillin in fermentation samples using a molybdoarsenic acid-mercuric chloride reagent.
mesh_terms: D001151:Arsenic; D001322:Autoanalysis; D003124:Colorimetry; D005285:Fermentation; D007202:Indicators and Reagents; D008628:Mercury; D008832:Microchemistry; D008982:Molybdenum; D010400:Penicillin G / Q000032:analysis; D010404:Penicillin V / Q000032:analysis; D010406:Penicillins / Q000032:analysis*
chemical_list: D007202:Indicators and Reagents; D010406:Penicillins; D008982:Molybdenum; D008628:Mercury; D001151:Arsenic; D010400:Penicillin G; D010404:Penicillin V