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Nutrient Analyzer

Skalar SAN++ Continuous Flow Nutrient Analyzer

Nutrients: NO2-, NO3-, PO43-, SiO4-, NH4+

This automated, continuous flow, analysis measures Nitrite, Nitrate, Phosphate, Silicate, and Ammonia.

Methodology

Chemical reagents and samples, segmented with air bubbles, are pumped through a manifold to undergo treatment such as mixing, heating, etc. before entering a flow cell to be detected with either colorimetric detection (with optical background correction) or a fluorometer (Ammonia).

Publications

McGrath, T., Cronin, M., Kerrigan, E., Wallace, D., Gregory, C., Normandeau, C., McGovern, E. 2019. A rare intercomparison of nutrient analysis at sea: lessons learned and recommendations to enhance comparability of open-ocean nutrient data. Earth System Science Data.聽