In the case of substances with small concentrations in biological substance, liquid or fuel chromatography with tandem mass spectrometry procedures have the necessary sensitivity. From the discussed case, a liquid chromatograph with a triple quadrupole mass spectrometer working in many response checking (MRM) manner was useful for NPS screening. This https://5f-mdmb-220145667.blogolize.com/new-step-by-step-map-for-5f-mdmb-2201-69982117