In the case of substances with minimal concentrations in Organic material, liquid or gas chromatography with tandem mass spectrometry approaches have the necessary sensitivity. From the discussed case, a liquid chromatograph by using a triple quadrupole mass spectrometer functioning in multiple reaction monitoring (MRM) mode was employed for NPS screening. https://kameronwgmgi.blue-blogs.com/37454602/the-basic-principles-of-5f-mdmb-2201