
High-performance liquid chromatography-tandem mass spectroscopy (HPLC–MS/MS) chromatography reveals pyrrolizidine alkaloids (PA)/pyrrolizidine alkaloid N-oxides (PANO) toxin risks in 63 tea samples.
Analysis of GHB demands for an analytical procedure that is quick, efficient, and one that preserves the authenticity of the sample. A method for the quantitation of GHB in human blood is presented using SPE with LC-MS/MS analysis.






