首页> 美国政府科技报告 >NOAA National Status and Trends Program Tenth Round Intercomparison for Trace211 Metals in Marine Sediments and Biological Tissues. National Status and Trends 211 Program for Marine Environmental Quality
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NOAA National Status and Trends Program Tenth Round Intercomparison for Trace211 Metals in Marine Sediments and Biological Tissues. National Status and Trends 211 Program for Marine Environmental Quality

机译:NOaa国家现状和趋势计划第11轮海洋沉积物和生物组织中Trace211金属的比对。国家现状和趋势211海洋环境质量计划

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A total of forty participants were included in the exercise, including NOAA,211u001eUSEPA, state, Australian, Canadian, Mexican and Argentinean laboratories. Two 211u001esamples were sent by NRC to each participant: a contaminated marine sediment from 211u001ethe vicinity of New York Bay and a freeze dried mussel (Mytilus edulis) from 211u001eCharlottenlund, Denmark. Laboratories were also asked to analyze two certified 211u001ereference materials NIST SRM 1566a, and NRC BCSS-1. The elements to be determined 211u001ewere Al, Cr, Fe, Ni, Cu, Zn, As, Se, Ag, Cd, Sn, Hg, and Pb for both matrices, 211u001eplus Be, Si, Mn, Sb, and Tl for the sediments. An accepted mean and confidence 211u001einterval were calculated for each analyte in the two unknown samples. Laboratory 211u001ebiases were identified and an overall rating of superior, good, fair or others 211u001ewas assigned to each laboratory.

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