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THE ANAIS INSTRUMENT

THE ANAIS INSTRUMENT. The ANAIS instrument developed in the YOYO 2001 project is part of the new instrumentation required for an autonomous in situ monitoring of the Ocean.

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THE ANAIS INSTRUMENT

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  1. THE ANAIS INSTRUMENT The ANAIS instrument developed in the YOYO 2001 project is part of the new instrumentation required for an autonomous in situ monitoring of the Ocean. In order to measure the dissolved macronutrients which are key elements in the oceanic carbon cycle, an Autonomous Nutrient Analyser In Situ (ANAIS) was developed. This chemical analyser is autonomous and it is able to measure simultaneously dissolved nitrates, silicates and phosphates. Since autonomous system capable to measure the macronutrients down to 1000m is presently existing, the Yoyo/ANAIS instrument can be considered as a first step to an in situ multidisciplinary autonomous oceanic observatories. The ANAIS Instrument: The components on the ANAIS analyser are: * 3 chemical analyzers, * an equipressure container, * a system for in situ seawater sampling, * a set of standards and reagents bags, * a 4-electronic cards set for numerical recording and storage of processed data. Silicates Analyser Phosphates Analyser Nitrates Analyser

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