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Concept

bench fast repetition rate fluorometer (FRRF)

URI http://vocab.nerc.ac.uk/collection/S04/current/S041022/1/
Within Vocab BODC parameter semantic model analytical method entity descriptions
Alternative Labels bench FRRF
Definition A fluorometer designed to measure variable fluorescence of living communities of marine phytoplankton in the laboratory. It outputs high frequency (200 kHz) flashes enabling the measurement of the absorption cross section of Photosystem II, the rate of photosynthetic electron transport and the level of photochemical quenching. Some types have dual sample chambers allowing comparisons to be made of ambiently-irradiated and dark adapted phytoplankton samples.
Date 2009-12-08T10:21:32
Identifier SDN:S04::S041022
Note accepted
Is Version Of S041022
version 1
Broader S01:S0110 analytical method entity
Related
P01 BODC Parameter Usage Vocabulary - (2) [+]
P01:CHLFRREX Concentration of chlorophyll-a {chl-a CAS 479-61-8} per unit volume of experiment water sample [particulate >unknown phase] by bench fast repetition rate fluorometer (FRRF) and derivation from the raw data from the dark chamber with calibration against sample data
P01:CHLFSDEX Concentration standard deviation of chlorophyll-a {chl-a CAS 479-61-8} per unit volume of experiment water sample [particulate >unknown phase] by bench fast repetition rate fluorometer (FRRF) and derivation from the raw data from the dark chamber with calibration against sample data

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