In the situation of substances with low concentrations in biological content, liquid or fuel chromatography with tandem mass spectrometry strategies have the required sensitivity. From the discussed circumstance, a liquid chromatograph using a triple quadrupole mass spectrometer running in multiple reaction checking (MRM) manner was employed for NPS screening. This https://5fmdmb220122839.digitollblog.com/30422793/top-guidelines-of-5f-mdmb-2201