Original: Odor analysis In Germany, the concentrations of odorants have since the 1870’s been defined by the “Olfaktometrie”, which helps to analyze the human sense of smell using the following parameters: odor substance concentration, intensity of odor, and hedonic assessment.
Simplified: Odor analysis The concentrations of odorant in Germany are defined by the “Olfaktometrie” since the 1870’s.