In the case of substances with small concentrations in Organic product, liquid or fuel chromatography with tandem mass spectrometry methods have the required sensitivity. During the talked about situation, a liquid chromatograph using a triple quadrupole mass spectrometer running in numerous reaction checking (MRM) method was employed for NPS screening. https://5fmdmb220135678.blog2learn.com/78689877/little-known-facts-about-5f-mdmb-2201