Oils of orris rhizome (Iris pallida Lam. or Iris germanica L.) — Determination of irone content — Method using gas chromatography on a capillary column
ISO 18054:2004 specifies a method for the determination of irone content in essential oil of orris rhizome (Iris pallida Lam. or Iris germanica L.) using gas chromatography on a capillary column.