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Feasibility of using an automated colorimetric procedure for the determination of seawater nitrate in the 0 to 100 nM range: Examples from field and culture

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Abstract

An automatic colorimetric procedure for measuring nanomolar quantities of nitrate and nitrite in seawater has been improved in sensitivity. Application of this method toin situ investigations in the North Atlantic Ocean in January 1989 and algal culture (Skeletonema costatum) experiments in the laboratory demonstrated that one can record concentrations in the 0 to 100 nM range using classical Technicon AutoAnalyzer equipment. In this working range highest precision obtained was ±2.87 and ±1.24 nM for nitrate and nitrite, respectively.

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Authors and Affiliations

  1. Centre d'Océanologie de Marseille, Faculté des Sciences de Luminy, Case 901, F-13288, Marseille Cédex 9, France

    P. Raimbault, G. Slawyk, B. Coste & J. Fry

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  1. P. Raimbault
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  2. G. Slawyk
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  3. B. Coste
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  4. J. Fry
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Communicated by J. M. Pérès, Marseille

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Raimbault, P., Slawyk, G., Coste, B. et al. Feasibility of using an automated colorimetric procedure for the determination of seawater nitrate in the 0 to 100 nM range: Examples from field and culture. Mar. Biol. 104, 347–351 (1990). https://doi.org/10.1007/BF01313277

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  • DOI: https://doi.org/10.1007/BF01313277

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