Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Hf  | |
|---|---|
| USE | hafnium |
| SN | As of 1981, no longer a valid term for GeoRef. See electromagnetic waves. For the acid with this chemical formula, use hydrofluoric acid. |
| Hf-177/Hf-176 | |
|---|---|
| BT | isotopes |
| .stable isotopes | |
| ..Hf-177/Hf-176 | |
| BT | metals |
| .hafnium | |
| ..Hf-177/Hf-176 | |
| RT | isotope ratios |
| SN | This term has multiple hierarchies. |
| Hf/Lu | |
|---|---|
| USE | Lu/Hf |
| HFS elements | |
|---|---|
| USE | high-field-strength elements |
| HFSE | |
|---|---|
| USE | high-field-strength elements |