Spectroscopy
Atmospheric pressure chemical ionization (APCI) is a soft ionization technique used in mass spectrometry that allows for the ionization of samples at atmospheric pressure. This method involves the generation of ions from gaseous or liquid samples, which are then analyzed to determine their mass-to-charge ratios. APCI is particularly useful for analyzing polar compounds and can be easily coupled with liquid chromatography, enhancing its application in hyphenated techniques.
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