Concept
Enrichment with respect to 138Ba/134Ba in the NIST SRM 3104a standard
| URI | http://vocab.nerc.ac.uk/collection/S06/current/S0600057/1/ | |
|---|---|---|
| Within Vocab | BODC parameter semantic model parameter entity names | |
| Alternative Labels | delta(138/134BaNIST) | |
| Definition | Deviation of the 138Ba/134Ba isotopic ratio of a sample relative to the standard solution SRM 3104a, a reference material for Barium (Ba) developed by the US National Institute of Standards and Technology, defined as delta(138/134Ba)NIST =([138Ba/134Ba]sample/[138Ba/134Ba]NIST)–1)×1000. One delta unit represents a one part per 1,000 deviation from the NIST standard composition. | |
| Date | None | |
| Identifier | S0600057 | |
| Note | accepted | |
| Is Version Of | S0600057 | |
| version | 1 | |
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