The Standard specifies the characteristics of the oil. Appearance: Clear, very mobile liquid. Colour: Almost colourless to brownish-yellow. Odour: Characteristic, pervasive, spicy, very clinging. Relative density at 20/20 °C: 0,875 - 0,908. Refractive index at 20 °C: 1,4780 - 1,4900. Optical rotation at 20 °C: Range from + 48 to + 78 . Miscibility with 90 % (V/V) ethanol at 20 °C: 1 : 10.…
Gas analysis — Preparation of calibration gas mixtures — Saturation method
Describes the principles of the method for continuous preparation, whereat one of the components is readily condensable. Gives practical example with schematic diagram and calculation of the error.