Separation and determination of anhydrotetracycline, 4-epianhydrotetracycline, tetracycline, and 4-epitetracycline in a tetracycline mixture.
D002845:Chromatography; D002855:Chromatography, Thin Layer; D003124:Colorimetry; D008722:Methods; D009279:Naphthacenes / Q000032:analysis / Q000302:isolation & purification; D013053:Spectrophotometry; D013752:Tetracycline / Q000032:analysis* / Q000302:isolation & purification
D009279:Naphthacenes; D013752:Tetracycline