Concept
Enrichment with respect to 138Ba/134Ba in NIST SRM 3104a standard deviation of barium-138 {138Ba CAS 15010-01-2} in the water body [dissolved plus reactive particulate <0.2um phase] by filtration, acidification and inductively-coupled plasma mass spectrometry
| URI | http://vocab.nerc.ac.uk/collection/P01/current/VB343GM3/2/ | |
|---|---|---|
| Within Vocab | BODC Parameter Usage Vocabulary | |
| Alternative Labels | d138/130Ba_NIST_water<0.2_SD | |
| Definition | The standard deviation of multiple determinations of the deviation of the 138Ba/134Ba isotopic ratio of a sample of fresh or salt water after removal of particles larger than 0.2 micron 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 | VB343GM3 | |
| Note | accepted | |
| Is Version Of | VB343GM3 | |
| version | 2 | |
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