title: [Studies on the color change of indicators in agents free from water].
mesh_terms: D004396:Coloring Agents; D005840:Gentian Violet; D007202:Indicators and Reagents; D009284:Naphthols; D010783:Photometry; D012996:Solutions; D012997:Solvents; D013053:Spectrophotometry
chemical_list: D004396:Coloring Agents; D007202:Indicators and Reagents; D009284:Naphthols; D012996:Solutions; D012997:Solvents; D005840:Gentian Violet
vernacular_title: Untersuchungen über den Farbumschlag von Indikatoren in nichtwässerigen Medien