A Study on the Determination of Odor Recognition Threshold Values of n- and iso-Amyl (Pentyl) Acetates Using Tedlar Bag Static Methods.

The determination of odor recognition threshold values of n- and iso-amyl (pentyl) acetates was carried out by odor panel test (Japanese students 18-22 years old;6 males and a female) using 10-liter Tedlar bag static method. The trace concentrations of n- and iso-amyl acetates in the Tedlar bag were determined by gas chromatography and an odor sensor (SnO 2 type). The odor recognition threshold values of amyl acetates were 7.70 ppm for n-amyl and 1.50 ppm for iso-amyl. The odor quality from several odor panels were evaluated, such as a binder solvent-like, aqueous paint, stimuli, fruity, aromatic, ether-like, gasoline-like, pungent, minty, sour, petroleum-like, respectively.