| AAS | atomic absorption spectroscopy |
| AMPA | aminomethylphosphonic acid |
| ESB | energy selective backscatter |
| GNP | gold nanoparticle |
| HAADF | high-angle annular dark-field |
| SEM | scanning electron microscopy |
| STEM | scanning transmission electron microscopy |
| SPR | surface plasmon resonance |
| TEM | transmission electron microscopy |
| TOC | total organic carbon |
| w/o | without |
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