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Recent Comparability of Oceanographic Nutrients Data: Results of a 2003 Intercomparison Exercise Using Reference Materials

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Abstract

An intercomparison exercise was conducted using the recently developed Reference Material for Nutrients in Seawater (RMNS). Discrepancies of reported values among laboratories were greater than the homogeneity of RMNS samples and the reported analytical precision of nutrients. The variability of in-house standards of the participating laboratories might be the most likely source of interlaboratory discrepancies. Therefore, the use of common reference materials, i.e. certified RM, is essential to establish and improve the comparability of nutrient data of the world’s oceans.

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Author information

Author notes

  1. Naoki Nagai

    Present address: Oceanographical Division, Maizuru Marine Observatory, 901 Shimofukui, Maizuru, Kyoto, 624-0946, Japan

  2. Kazuhiro Saito

    Present address: Kobe Marine Observatory, 1-4-3 Wakihamakaigandori, Chuo, Kobe, 651-0073, Japan

  3. Hiroyuki Takano

    Present address: Marine Division, Global Environment and Marine Department, Japan Meteorological Agency, 1-3-4 Otemachi, Chiyoda, Tokyo, 100-8122, Japan

  4. Atsushi Tsuda

    Present address: Ocean Research Institute, The University of Tokyo, Japan, 1-15-1 Minamidai, Nakano, Tokyo, 164-8639, Japan

  5. Katsumi Yokouchi

    Present address: Research and Technological Guidance Division, Resources Enhancement Promotion Department, Fisheries Agency, 1-2-1, Kasumigaseki, Chiyoda, Tokyo, 100-0013, Japan

Authors and Affiliations

  1. Meteorological Research Institute, Japan Meteorological Agency, 1-1 Nagamine, Tsukuba, 305-0052, Japan

    Michio Aoyama

  2. Scripps Institution of Oceanography, STS/ODF, 8855 Biological Grade 216 Isaacs Hall, La Jolla, CA, 92037, USA

    Susan Becker & Doug Masten

  3. State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China

    Minhan Dai

  4. Kobe Marine Observatory, 1-4-3 Wakihamakaigandori, Chuo, Kobe, 651-0073, Japan

    Hideshi Daimon

  5. College of Oceanic and Atmospheric Sciences, Oregon State University, 104 Ocean Admin Bldg., Corvallis, OR, 97331-5503, USA

    Louis I. Gordon

  6. Hokkaido National Fisheries Research Institute, 116 Katsurakoi, Kushiro, Hokkaido, 085-0802, Japan

    Hiromi Kasai & Atsushi Tsuda

  7. French Research Institute for Exploitation of the Sea (IFREMER) (Centre de Brest), BP 70, 29280, Plouzane, France

    Roger Kerouel

  8. Israel Oceanographic & Limnological Res., P. O. Box 8030, Tel Shikmona, 31080, Haifa, Israel

    Nurit Kress

  9. Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2-15 Natsushima-cho, Yokosuka, 237-0061, Japan

    Akihiko Murata

  10. Marine Division, Climate and Marine Department, Japan Meteorological Agency, 1-3-4 Otemachi, Chiyoda, Tokyo, 100-8122, Japan

    Naoki Nagai

  11. Ocean Research Institute, The University of Tokyo, 1-15-1 Minamidai, Nakano, Tokyo, 164-8639, Japan

    Hiroshi Ogawa

  12. The General Environmental Technos Co., Ltd. (KANSO), 3-1-1 Higashikurazi, Katano, Osaka, 576-0061, Japan

    Hidekazu Ota

  13. Tohoku National Fisheries Research Institute, 3-27-5 Shinhama-cho, Shiogama, Miyagi, 985-0001, Japan

    Hiroaki Saito

  14. Hakodate Marine Observatory, 3-4-4 Mihara, Hakodate, Hokkaido, 041-0806, Japan

    Kazuhiro Saito

  15. Nagasaki Marine Observatory, 11-51 Minamiote-machi, Nagasaki, 850-0931, Japan

    Takao Shimizu

  16. Maizuru Marine Observatory, 901 Shimofukui, Maizuru, Kyoto, 624-0946, Japan

    Hiroyuki Takano

  17. Seikai National Fisheries Research Institute, 3-30 Kokubu-machi, Nagasaki, 850-0951, Japan

    Katsumi Yokouchi

  18. French Research Institute for Exploitation of the Sea, IFREMER DEL/EC/PP, BP 70, 29280, Plouzane, France

    Agnes Youenou

Authors
  1. Michio Aoyama
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  2. Susan Becker
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  3. Minhan Dai
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  4. Hideshi Daimon
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  5. Louis I. Gordon
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  6. Hiromi Kasai
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  7. Roger Kerouel
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  8. Nurit Kress
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  9. Doug Masten
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  10. Akihiko Murata
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  11. Naoki Nagai
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  12. Hiroshi Ogawa
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  13. Hidekazu Ota
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  14. Hiroaki Saito
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  15. Kazuhiro Saito
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  16. Takao Shimizu
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  17. Hiroyuki Takano
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  18. Atsushi Tsuda
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  19. Katsumi Yokouchi
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  20. Agnes Youenou
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Corresponding author

Correspondence to Michio Aoyama.

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Aoyama, M., Becker, S., Dai, M. et al. Recent Comparability of Oceanographic Nutrients Data: Results of a 2003 Intercomparison Exercise Using Reference Materials. ANAL. SCI. 23, 1151–1154 (2007). https://doi.org/10.2116/analsci.23.1151

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  • DOI: https://doi.org/10.2116/analsci.23.1151

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