A
- AE – Appearance energy
- AMS – Accelerator mass spectrometry
- AMU – Atomic mass unit
- AP – Appearance potential
- AP MALDI – Atmospheric pressure matrix-assisted laser desorption/ionization
- APCI – Atmospheric pressure chemical ionization
- API – Atmospheric pressure ionization
- APPI – Atmospheric pressure photoionization
- ASAP - Atmospheric Sample Analysis Probe
- ASMS – American Society for Mass Spectrometry
Read more about this topic: List Of Mass Spectrometry Acronyms