Historical
ISO 3053:1975
Oil of grapefruit (obtained by expression)
The Standard specifies the following characteristics of the oil. Appearance: Clear liquid. Colour: Greenish-yellow. Odour: Resembling oil of sweet orange. Relative density at 20/20 °C: 0,852 - 0,860. Refractive index at 20 °C: 1,4740 - 1,4790. Optical rotation at 20 °C: Range from + 91 to + 96 . Carbonyl compounds content, expressed as decanal: Minimum 1,0 %. Residue on evaporation: 5,0 % - 10,0 %.
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International Organization for Standardization [iso]