CHEMINI: A new in situ CHEmical MINIaturized analyzer

“CHEMINI” is a new instrument developed for the measurement of seawater chemical parameters. It is a mono-parameter in situ chemical analyzer based on flow injection analysis and colorimetric detection. The deep-sea version of CHEMINI combines two modules to perform the analysis of dissolved iron [F...

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Bibliographic Details
Published in:Deep-sea research. Part I, Oceanographic research papers Oceanographic research papers, 2009-08, Vol.56 (8), p.1391-1399
Main Authors: Vuillemin, R., Le Roux, D., Dorval, P., Bucas, K., Sudreau, J.P., Hamon, M., Le Gall, C., Sarradin, P.M.
Format: Article
Language:English
Subjects:
Analytical chemistry
Dissolved iron
Earth sciences
Earth, ocean, space
Exact sciences and technology
External geophysics
Geochemistry
Geophysics. Techniques, methods, instrumentation and models
Hydrothermal vent
In situ analysis
Iron
Marine
Mineralogy
Oceanography
Physical and chemical properties of sea water
Physics of the oceans
Silicates
Total sulphide
Water geochemistry
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Summary:“CHEMINI” is a new instrument developed for the measurement of seawater chemical parameters. It is a mono-parameter in situ chemical analyzer based on flow injection analysis and colorimetric detection. The deep-sea version of CHEMINI combines two modules to perform the analysis of dissolved iron [Fe (II) or Fe (II+III)] and total sulphide (H 2S+HS −+S 2−) up to 6000 m depth. Detection limits are, respectively, 0.3 and 0.1 μM for iron and sulphide. The system proved highly reliable during the MoMARETO cruise on the Mid-Atlantic Ridge. The two CHEMINIs were used to describe the chemical environment in 12 mussel beds on the Tour Eiffel hydrothermal edifice.
ISSN:0967-0637
1879-0119
DOI:10.1016/j.dsr.2009.02.002