In the situation of substances with very low concentrations in Organic substance, liquid or fuel chromatography with tandem mass spectrometry tactics have the mandatory sensitivity. From the reviewed scenario, a liquid chromatograph using a triple quadrupole mass spectrometer operating in multiple reaction monitoring (MRM) manner was used for NPS screening. https://5f-mdmb-220118150.fitnell.com/71399971/little-known-facts-about-5f-mdmb-2201