In the case of substances with lower concentrations in Organic material, liquid or fuel chromatography with tandem mass spectrometry methods have the necessary sensitivity. During the talked about case, a liquid chromatograph with a triple quadrupole mass spectrometer functioning in numerous reaction checking (MRM) manner was useful for NPS screening. https://5f-mdmb-220135789.blogs100.com/31108629/the-smart-trick-of-5f-mdmb-2201-that-no-one-is-discussing