In the case of substances with small concentrations in biological content, liquid or gasoline chromatography with tandem mass spectrometry techniques have the required sensitivity. From the discussed situation, a liquid chromatograph by using a triple quadrupole mass spectrometer functioning in multiple reaction monitoring (MRM) mode was utilized for NPS screening. https://5fmdmb220153704.jts-blog.com/29872900/5f-mdmb-2201-can-be-fun-for-anyone