
Gas chromatography–mass spectrometry (GC–MS) reveals a four-stage polycyclic aromatic hydrocarbons (PAH) breakdown in oil sludge co-composted with manure.
Paper spray-mass spectrometry vs. liquid chromtography-tandem mass spectrometry (LC-MS/MS): Can rapid screening rival the gold standard in ER drug testing?
For forensic and clinical toxicologists, the gold-standard analytical technique is not always the one you can use when it matters most.






