Concept
DGT Research Diffusive Gradients in Thin Films trace metal sampler
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0553/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | DGT trace metal sampler | ||
| Definition | A device designed to measure concentrations of dissolved metal species in water. It comprises a plastic casing that contains a Chelex resin impregnated in a hydrogel to accumulate metals. The resin layer is overlain by a diffusive layer of hydrogel and a filter. Ions diffuse through the filter and diffusive layer to reach the resin layer, thereby establishing a constant concentration gradient in the diffusive layer that allows the quantitative measurement of labile species in solution through laboratory analysis. | ||
| Date | 2012-11-15T10:40:15 | ||
| Identifier | SDN:L22::TOOL0553 | ||
| Note | accepted | ||
| Has Current Version | 3 | ||
| Version | 1 , 2 | ||
| version | 3 | ||
| inScheme | http://vocab.nerc.ac.uk/scheme/SDNDEV/current/ | ||
| Broader | L19:SDNKG17 |
sensor_model | Mapping: 1696442 |
L05:TFSAMP |
thin film metal samplers | Mapping: 480320 | |
| Related | B75:ORG00634 |
DGT Research Ltd | Mapping: 1448534 |
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