Detects therapeutic and illicitly synthesized forms of acetyl fentanyl and fentanyl. Useful in many situations: pain management, dependency/ rehabilitation, methadone clinics, and drug courts. Fentanyl is screened via enzyme immunoassay (EIA). Acetyl fentanyl and fentanyl are confirmed on GC-MS equipment.
To use this method, make a diluted bleach solution with one part bleach and one to two parts water. Fill your plastic container with the solution and let it soak for about half an hour. After itâs done soaking in the solution, give the container a good scrubbing with hot water and dish soap.
1 Put on the rubber gloves. 2  Pour 100 mL water into a plastic cup. Carefully add the borax to the water and stir well with the teaspoon until the borax has dissolved.  Place the polyvinyl alcohol in the other plastic cup. Add two of drops of food colouring and stir.