In the situation of substances with small concentrations in Organic material, liquid or gas chromatography with tandem mass spectrometry procedures have the required sensitivity. From the discussed situation, a liquid chromatograph which has a triple quadrupole mass spectrometer functioning in numerous reaction checking (MRM) method was employed for NPS screening. https://5f-mdmb-220161592.digiblogbox.com/55823768/little-known-facts-about-5f-mdmb-2201