Concept
Hilger Spekker colorimeter
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0243/ |
|---|---|
| Within Vocab | SeaVoX Device Catalogue |
| Preferred Label | Hilger 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. |
| Broader |
L05:
colorimeters |
| Related |
B75:
British Oceanographic Data Centre, Liverpool |
| Note | accepted |
| Deprecated | false |
| Alternative Label | Spekker colorimeter |
| Version | 2 |
| Has Current Version | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0243/2/ |
| Authored On | 2010-11-18 12:39:41 |
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