ISO 8900:1987

Oil of bergamot petitgrain (Citrus aurantium (Linnaeus) ssp. bergamia (Wight et Arnott) Engler)

The Standard specifies the following characteristics of the oil. Appearance: Clear liquid. Colour: Amber. Odour: Characteristic. Relative density at 20/20 °C: 0,886 – 0,894. Refractive index at 20 °C: 1,4600 – 1,4650. Optical rotation at 20 °C: Between – 4 and + 3 . Miscibility with 70 % (V/V) ethanol at 20 °C: 1 : 3. Acid value: Maximum 2,0. Ester value: 115 – 195. Ester value after acetylation: 185 – 281. Chromatographic profile: A typical chromatogram is given.