In the situation of substances with small concentrations in biological substance, liquid or gas chromatography with tandem mass spectrometry methods have the mandatory sensitivity. Within the reviewed circumstance, a liquid chromatograph having a triple quadrupole mass spectrometer running in several reaction checking (MRM) mode was used for NPS screening. This https://paxtonrizod.blog-kids.com/30827714/examine-this-report-on-5f-mdmb-2201