Concept
Parts per trillion
| URI | http://vocab.nerc.ac.uk/collection/P06/current/PPTR/ |
|---|---|
| Within Vocab | BODC-approved data storage units |
| Preferred Label | Parts per trillion |
| Definition | Proportion of one part in 10**12 by weight, volume or amount (i.e. moles or atoms). Nanograms per kilogram is a more explicit alternative for parts per trillion by weight. |
| Same As |
http://qudt.org/vocab/unit/PPTR |
| Broader |
P24:
[dimensionless] |
| Related |
P01:
Atomic ratio uncertainty of uranium-236/uranium-238 {236U/238U} in the water body [dissolved plus reactive particulate phase] P01: Atomic ratio of uranium-236/uranium-238 {236U/238U} in the water body [dissolved plus reactive particulate phase] |
| Note | accepted |
| Deprecated | false |
| Alternative Label | pptr |
| Version | 1 |
| Has Current Version | http://vocab.nerc.ac.uk/collection/P06/current/PPTR/1/ |
| Authored On | 2017-03-01 10:27:23 |
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