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 Add the yeast to the water in a 5 quart bowl or, preferably, in a resealable, lidded (not airtight) plastic food container or food-grade bucket. 2  Don't worry about getting it all to dissolve. 3  Mix in the flour and salt-kneading is unnecessary.