In the situation of substances with low concentrations in biological content, liquid or fuel chromatography with tandem mass spectrometry techniques have the necessary sensitivity. From the discussed case, a liquid chromatograph using a triple quadrupole mass spectrometer functioning in multiple reaction monitoring (MRM) method was employed for NPS screening. This https://5fmdmb220164701.loginblogin.com/37416625/little-known-facts-about-5f-mdmb-2201