By National Research Council, Division on Earth and Life Studies, Ocean Studies Board, Committee on Reference Materials for Ocean Science
Document from the Committee on Reference fabrics for Ocean technological know-how, and Ocean experiences Board. Softcover.
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The same samples could also be used to analyze metals such as zinc, manganese, copper, molybdenum, cobalt, vanadium, lead, aluminum, cadmium, and the rare earth elements. Some of these elements have nutrient-like distributions, so surface and deep water samples would have significantly different levels. , in the Southern Ocean). For this reason, collection locations for trace element reference materials must be carefully selected. Participants at the Florida workshop in September 2001 (Appendix B), suggested the southeast tropical Pacific as a region where iron and zinc might be at low concentrations in surface waters.
For example, measurements of the same analyte in a variety of samples with different commonly-encountered matrices provide a powerful means of identifying unusually large offsets between different analytical methods. Such sample-dependent inconsistencies serve as a warning that at least one of the compared methods is unusually sensitive to some characteristic of the sample matrix. Because sample matrix effects can be extremely complex and analyte-specific, it is highly advantageous for the oceanographic community to investigate these complications using a small number of widely-shared reference materials.
During data collection. Standardization of pigment methodology for use with the HPLC technique would have resulted in more accurate and precise data. 3 Seawater NUTRIENTS Measurements of the major elements composing organic matter in ocean environments are among the longest established, most fundamental, and broadly informative analyses in the marine sciences. This tradition is based on the fact that six elements (carbon, hydrogen, oxygen, nitrogen, sulfur, and phosphorus)1 make up essentially the entire mass of marine organic matter and largely govern the processes by which these elements are cycled in the ocean.
Chemical Reference Materials: Setting the Standards for Ocean Science by National Research Council, Division on Earth and Life Studies, Ocean Studies Board, Committee on Reference Materials for Ocean Science