Essential oils
Evaporation residue determination
Rosemary
Freezing point
Peppermint
Oil of bergamot
Optical properties of materials
Nutmeg
Oil of lemongrass
Acid number
Chemical indices
Solubility
Coriander
Colour
Ester value
Density
Oil of sassafras
Oranges
Samples
Refractive index
Odours
Labiatae