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Preparation of 15N-labeled phytoplankton samples for optical emission spectrometry
Kristiansen, S.; Paasche, E. (1982). Preparation of 15N-labeled phytoplankton samples for optical emission spectrometry. Limnol. Oceanogr. 27(2): 373-375
In: Limnology and Oceanography. American Society of Limnology and Oceanography: Waco, Tex., etc. ISSN 0024-3590; e-ISSN 1939-5590, more
Peer reviewed article  
Available in  Authors 
Keywords
    Aquatic communities > Plankton > Phytoplankton
    Measuring techniques
    Methodology
    Sampling
Authors  Top 
  • Kristiansen, S.
  • Paasche, E.
Abstract
    A method is described whereby the 15N content of phytoplankton on a filter can be determined in an optical emission spectrometer after Kjeldahl digestion, microdiffusion, and Dumas oxidation. Total N content can be measured in the same sample, and the procedure offers some additional advantages. Values of 15N content obtained in this way were the same, within the limits of analytical error, as those obtained by direct Dumas oxidation of 15N-labelled plankton samples.
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