Concept
Activity of thorium-230 {230Th CAS 14269-63-7} per unit mass of the water body [dissolved plus reactive particulate <0.4/0.45um phase] by filtration, acidification and corrected for the dissolution of lithogenic minerals
| URI | http://vocab.nerc.ac.uk/collection/P01/current/TH230X04/1/ | ||
|---|---|---|---|
| Within Vocab | BODC Parameter Usage Vocabulary | ||
| Alternative Labels | Diss_230Thxs<0.4/0.45um_/kg | ||
| Definition | The dissolved excess Th-230 concentration refers to the measured dissolved Th-230 corrected for a contribution of Th-230 due to the partial dissolution of uranium-bearing minerals, or lithogenics. Thereby the dissolved excess represents solely the fraction of Th-230 produced in the water by decay of dissolved uranium-234. The lithogenic Th-230 has been estimated using measuring dissolved Th-232 and a lithogenic Th-230/Th-232 ratio of 4.0e-6 (atom ratio) as determined by Roy-Barman et al. (2002) and a conversion factor to convert picomoles to micro-Becquerels. | ||
| Date | 2016-10-17T16:17:37 | ||
| Identifier | SDN:P01::TH230X04 | ||
| Note | accepted | ||
| Is Version Of | TH230X04 | ||
| version | 1 | ||
| Broader | S06:S0600043 |
Activity | |
P02:WRAD |
Radioactivity in water bodies | ||
S27:CS002775 |
thorium-230 | ||
S26:MAT00563 |
water body [dissolved plus reactive particulate <0.4/0.45um phase] | ||
| Related | S05:S050011 |
corrected for the dissolution of lithogenic minerals | |
S03:S03100 |
filtration, acidification | ||
P06:UWBQ |
Microbecquerels per kilogram | ||
S02:S057 |
per unit mass of the | ||
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