| Acronym | Meaning |
| MQL | Minimum Quantifiable Limit |
| EIQ | Emission Inventory Questionnaire |
| GDMS | Glow Discharge Mass Spectrometry |
| NIS | Neutron Inelastic-scattering |
| (SC)2(CI+PT2) | Self-consistent Size-consistent (CI+second-order Perturbation) |
| SRXFA | Synchrotron Radiation X-ray Fluorescence Analysis |
| CIM | Ceramic Injection Molding |
| ESDI | Electron Stimulated Desorption Of Ions |
| SEAMOS | Single-excitations-adapted Molecular Orbitals |
| FOPIM | First Order Perturbation Iteration Method |