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