Analytical intercomparison results from the 1990 Intergovernmental Oceanographic Commission open-ocean baseline survey for trace metals: Atlantic Ocean

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	Analytical intercomparison results from the 1990 Intergovernmental Oceanographic Commission open-ocean baseline survey for trace metals: Atlantic Ocean
	W. M. Landinga ; G. A. Cutterb ; J. A. Dalzielc ; A. R. Flegald ; R. T. Powella ; D. Schmidte ; A. Shillerf ; P. Stathamg ; S. Westerlundh and J. Resing
发表期刊	Marine Chemistry
ISSN	0304-4203
	1995
卷号	49 期号:4 页码:253-265
中文摘要	“Dissolved” (< 0.4 μm filtered) and “total dissolvable” (unfiltered) trace element samples were collected using “clean” sampling techniques from four vertical profiles in the eastern Atlantic Ocean on the first IOC Trace Metals Baseline expedition. The analytical results obtained by 9 participating laboratories for Mn, Fe, Co, Ni, Cu, Zn, Cd, Pb, and Se on samples from station 4 in the northeast Atlantic have been evaluated with respect to accuracy and precision (intercomparability). The data variability among the reporting laboratories was expressed as 2 × SD for a given element and depth, and was comparable to the 95% confidence interval reported for the NASS seawater reference standards (representing analytical variability only). The discrepancies between reporting laboratories appear to be due to inaccuracies in standardization (analytical calibration), blank correction, and/or extraction efficiency corrections.Several of the sampling bottles used at this station were not adequately pre-cleaned (anomalous Pb results). The sample filtration process did not appear to have been a source of contamination for either dissolved or particulate trace elements. The trace metal profiles agree in general with previously reported profiles from the Atlantic Ocean. We conclude that the sampling and analytical methods we have employed for this effort, while still in need of improvement, are sufficient for obtaining accurate concentration data on most trace metals in the major water masses of the oceans, and to enable some evaluation of the biogeochemical cycling of the metals.
语种	英语
文献类型	期刊论文
条目标识符	http://ir.yic.ac.cn/handle/133337/2985
专题	科研共享资源
推荐引用方式 GB/T 7714	W. M. Landinga,G. A. Cutterb,J. A. Dalzielc,et al. Analytical intercomparison results from the 1990 Intergovernmental Oceanographic Commission open-ocean baseline survey for trace metals: Atlantic Ocean[J]. Marine Chemistry,1995,49(4):253-265.
APA	W. M. Landinga.,G. A. Cutterb.,J. A. Dalzielc.,A. R. Flegald.,R. T. Powella.,...&S. Westerlundh and J. Resing.(1995).Analytical intercomparison results from the 1990 Intergovernmental Oceanographic Commission open-ocean baseline survey for trace metals: Atlantic Ocean.Marine Chemistry,49(4),253-265.
MLA	W. M. Landinga,et al."Analytical intercomparison results from the 1990 Intergovernmental Oceanographic Commission open-ocean baseline survey for trace metals: Atlantic Ocean".Marine Chemistry 49.4(1995):253-265.

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