Concept
Hilger Spekker colorimeter
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0243/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | Spekker colorimeter | ||
| Definition | A photoelectric absorbsiometer developed in 1936 and manufactered by Adam Hilger Ltd, London. A light source with a photocell on each side provides a basic means of operation. The instrument is set up with a solution to be measured in the sample light beam and then balance the EMF of the photocells to zero on a galvanometer. It can be used to measure nutrient concentrations in seawater. | ||
| Date | 2010-11-18T12:39:41 | ||
| Identifier | SDN:L22::TOOL0243 | ||
| Note | accepted | ||
| Has Current Version | 2 | ||
| Version | 1 | ||
| version | 2 | ||
| inScheme | http://vocab.nerc.ac.uk/scheme/SDNDEV/current/ | ||
| Broader | L05:LAB03 |
colorimeters | Mapping: 180415 |
| Related | B75:UNSPEC |
Unspecified | Mapping: 1448631 |
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