Refill set for Sniffin’ Sticks Threshold Test 2-phenylethanol
Refill set for Sniffin’ Sticks Threshold Test 2-phenylethanol. 48 Sniffin’ Sticks without the holder, manual and evaluation material.
The Sniffin’ Sticks smell threshold test is determined in a so called “staircase procedure”. After a start concentration of the smell is found out, the dilution step is identified at which the smell can just be distinguished from nonsmelling pens (blanks).
Shelf life threshold test
Each stick is labelled with a best before date, for the threshold test 2-phenylethanol this is ca. 1,5 year after production. Due to hygiene reasons we cannot accept returns of the sticks.