[Purification of dyes by recrystallization].
D001399:Azure Stains / Q000302:isolation & purification; D004396:Coloring Agents / Q000302:isolation & purification*; D003460:Crystallization; D008751:Methylene Blue / Q000302:isolation & purification; D010640:Phenothiazines / Q000302:isolation & purification; D014048:Tolonium Chloride / Q000302:isolation & purification; D014052:Toluidines / Q000302:isolation & purification
D001399:Azure Stains; D004396:Coloring Agents; D010640:Phenothiazines; D014052:Toluidines; D014048:Tolonium Chloride; D008751:Methylene Blue
Farbstoffreinigung durch Umkristallisation