Instrumental analysis

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Instrumental analysis or the determinative step, as defined by the United States Environmental Protection Agency via its SEDD Specification Version 5.2, "is where measurements are made for a list of analytes. Values such as instrument identification and date analyzed are reported in the analysis node. Analyte-specific values from this analysis are reported in analyte nodes under the analysis node."[1]


  1. U.S. Environmental Protection Agency (March 2019). "Appendix A. Data Element Dictionary (DED)" (PDF). SEDD Specification Version 5.2. Retrieved 27 September 2022.