Concept
Enrichment (with respect to 176Hf/177Hf in CHondritic Uniform Reservoir (CHUR)) of hafnium-176 {176Hf CAS 14452-48-3} in the water body [dissolved plus reactive particulate <0.4/0.45um phase] by filtration and inductively-coupled plasma mass spectrometry
| URI | http://vocab.nerc.ac.uk/collection/P01/current/HF176CHU/3/ | |
|---|---|---|
| Within Vocab | BODC Parameter Usage Vocabulary | |
| Alternative Labels | Epsilon_176/177Hf | |
| Definition | The isotopic enrichment of 176Hf is calculated using the epsilon notation defined as; Epsilon Hf= ([176Hf/177Hf] sample / [176Hf/177Hf] CHUR -1) x 10000). One epsilon unit represents one part per 10,000 deviation from the CHUR composition. | |
| Date | None | |
| Identifier | HF176CHU | |
| Note | accepted | |
| Is Version Of | HF176CHU | |
| version | 3 | |
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