Concept
Enrichment of oxygen-18 in nitrate {18O in NO3- CAS 14797-71-8} {delta(18)O} in the water body [dissolved plus reactive particulate <0.2um phase] by filtration, denitrification to N2O by cultured bacteria and Continuous-Flow Isotope Ratio Mass-Spectrometry
| URI | http://vocab.nerc.ac.uk/collection/P01/current/D18OWC21/ | ||
|---|---|---|---|
| Within Vocab | BODC Parameter Usage Vocabulary | ||
| Alternative Labels | d18O_in_nitrate_WC<0.2um | ||
| Definition | The isotopic enrichment (1000*(sample(18O/16O ratio) - natural ratio)/(natural ratio)) of 18O in nitrate molecules (NO3-) in a body of salt or fresh water after removal of particles larger than 0.2 microns by filtration. | ||
| Date | 2021-11-02T10:45:31 | ||
| Identifier | SDN:P01::D18OWC21 | ||
| Note | accepted | ||
| Has Current Version | 1 | ||
| version | 1 | ||
| Broader | S06:S0600039 |
Enrichment | Mapping: 1705687 |
S27:CS002870 |
oxygen-18 in nitrate | Mapping: 1705691 | |
C67:STAB |
stable isotopes | Mapping: 1718835 | |
P02:WSTB |
Stable isotopes in water bodies | Mapping: 1705677 | |
S26:MAT00556 |
water body [dissolved plus reactive particulate <0.2um phase] | Mapping: 1705689 | |
| Related | S04:S041081 |
Continuous-Flow Isotope Ratio Mass-Spectrometry | Mapping: 1705685 |
S03:S03449 |
filtration, denitrification to N2O by cultured bacteria | Mapping: 1705683 | |
S02:S028 |
in the | Mapping: 1705681 | |
P06:UPPT |
Parts per thousand | Mapping: 1705679 | |
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