| Acronym | Meaning |
| APPM | Atomic Parts Per Million |
| GHCN | Global Historical Climatology Network |
| FTICR | Fourier Transform Ion Cyclotron Resonance |
| TLHS | Thin-layer Headspace |
| MCM 41 | Mobil Catalytic Material 41 |
| UMNDO | Spin-unrestricted Modified Neglect Of Diatomic Overlap |
| AAIT | Atomic Absorption Inhibition Titration |
| OCEC | Open-channel Electrochromatography |
| HL | Mustard-Lewisite Mixture |
| RAR | Retinoic Acid Receptor |