In the situation of substances with small concentrations in biological content, liquid or gas chromatography with tandem mass spectrometry tactics have the mandatory sensitivity. In the talked over situation, a liquid chromatograph that has a triple quadrupole mass spectrometer working in numerous reaction checking (MRM) mode was useful for NPS https://5f-mdmb-220107360.blogdun.com/31303152/5f-mdmb-2201-options