Concept
Czech Academy of Sciences custom infrared kinetic fluorometer - Koblizek et al. (2007)
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL2064/1/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | CAS custom kinetic fluorometer | ||
| Definition | A custom fluorometer used to measure chlorophyll-a and bacteriochlorophyll-a (BChl-a). Based on the design from Koblizek et al. (2005) with some modifications. It consists of a Photon Systems Instruments (PSI) fluorometer control unit (FL200/PS) and custom-made optics consisting of one PSI flashing unit (SN-LF 8052) populated with 73 blue light emitting diodes (NSPB500S, 470 nm, Nichia, Japan). 49 diodes provide short intense measuring pulses (10 us), with the rest serving as an actinic light source operating in a continuous mode. Modifications from the 2005 version include: a white Teflon sample chamber containing a spherical compartment (60 ml), with an inlet and outlet for sample injection and removal. The chamber contains four ports (as opposed to three from the 2005 version); two ports for light excitation generated by two flashing units, each populated with four blue Luxeon diodes (LXHL PB09, 470 nm); two ports for interfacing with chlorophyll and BChl-a detectors. The detectors consist of two cooled large area avalanche photodiodes (Advance Photonix, USA). Absolute detection limit: 0.2 ng BChl a l-1 and 1 ng chlorophyll a (Chl a) l-1. Relative detection limit: 10-3 bacteriochlorophyll to chlorophyll ratio. | ||
| Date | 2024-07-05T14:46:48 | ||
| Identifier | SDN:L22::TOOL2064 | ||
| Note | accepted | ||
| Is Version Of | TOOL2064 | ||
| version | 1 | ||
| Broader | |||
| L05 SeaDataNet device categories - (2) | |||
| Related | L35:MAN0297 |
Czech Academy of Sciences | |
B75:ORG00500 |
Czech Academy of Sciences, Institute of Microbiology | ||
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