| Acronym | Meaning |
| ZOAO | Zero Overlap Of Atomic Orbital Approxn. |
| MTFE | Mercury Thin-film Electrode |
| DIDA | Direct Isotope Dilution Analysis |
| SRT | Sludge Or Solids Retention Time |
| RNAA | Radiochemical Neutron Activation Analysis |
| PBM | Photochem. Box Model |
| ICPD | Inductively Coupled Plasma Deposition |
| TASO | Terminal Atom Symmetry Orbital |
| ESPT | Excited-state Proton Transfer |
| GMAW | Gas Metal Arc Welding |