FORENSICS SOURCE ODV NARCOPOUCH TEST 927 - Chen's Reagent (EPHEDRINE test)Forensics Source ODV NarcoPouch Test 927 - Chen's Reagent tests to presumptively identify Ephedrine and Pseudoephedrine.Each pouch contains up to three chemical ampoules to provide greater substance discrimination. The white background makes identifying color changes easier and more accurate. The safety holder helps to prevent broken glass from puncturing the pouch during normal use.Additional product information: