FORENSICS SOURCE ODV NARCOPOUCH TEST 926 - Frohdes Reagent (TALWIN/PENTAZOCINE Test)Forensics Source ODV NarcoPouch Test 926 - Frohdes Reagent tests to presumptively identify Pentazocine (Talwin).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: