How does GCMS identify chemical compounds?

Points on GCMS in identifying chemical compounds:

• This Gas Chromatography–Mass Spectrometry (GCMS) technique identifies chemical compounds by ionizing molecules and measuring their mass-to-charge ratios inside the mass spectrometer.
• When molecules are ionized, they break into characteristic fragment ions that form a unique mass spectrum for each compound.
• These spectral patterns are compared with reference libraries to accurately confirm the identity of unknown substances.

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