Chemical Reference Materials Setting the Standards for Ocean Science (2002) / Chapter Skim
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1Executive Summary The accuracy of chemical oceanographic measurements depends on calibration against reference materials to ensure comparability over time and among laboratories. Several key parameters lack reference materials for measurements in seawater, particles in the water column, and sediments.
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2 CHEMICAL REFERENCE MATERIALS ments. In addition, with the advent of international oceanic data collection and distribution, reference materials allow comparison of data sets from different oceanographic studies.
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EXECUTIVE SUMMARY 3 The Committee on Reference Materials for Ocean Science, sponsored by the National Science Foundation, held a workshop in September 2001 which brought together ocean chemists from multiple fields and agencies in the United States, Europe, and Canada to discuss the current and future needs for reference materials in ocean science. In addition, the committee surveyed the international ocean chemistry community with the aid of the American Society of Limnology and Oceanography to ascertain the community's concerns about needed reference material development.
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4 CHEMICAL REFERENCE MATERIALS Box 1 Recommended Reference Materials for Ocean Science Materials Recommended for Continued Availability: Currently available materials: 1. Standard Seawater (Ocean Scientific International Ltd.)
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EXECUTIVE SUMMARY 5 Box 2 Additional Recommendations for Community Participation 1. The use of appropriate reference materials should be a key feature of the quality assurance/quality control structure in any future ocean science project involving chemical measurement.
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6 CHEMICAL REFERENCE MATERIALS materials (both algal- and sediment-based) be certified for both inorganic and organic carbon concentrations, total nitrogen concentration, δ13C of both the inorganic and the organic carbon components, and δ15N for the total nitrogen component.
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