INDICATORS ON FENTANYL ONLINE YOU SHOULD KNOW

3. Hold the blue finish from the test and submerge the wavy close of your strip while in the h2o for 15 seconds, maintaining the liquid level underneath the blue line  Fentanyl and norfentanyl were being quantified in femoral and cardiac blood by superior-overall performance liquid chromatography-tandem mass spectrometry (LC–MS/MS) immediately