Why is GCMS used in forensic and toxicology testing?

Points on GCMS in forensic and toxicology testing:

• In forensic and toxicology laboratories, Gas Chromatography–Mass Spectrometry (GCMS) is widely used to detect trace-level drugs, poisons, and chemical residues in complex samples.
• During forensic investigations, the technique is applied to analyze narcotics, explosives, and toxic substances recovered from crime scenes.
• In toxicology testing, GCMS is used to identify unknown compounds present in blood, urine, and other biological fluids.

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