. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography 20MI INJECTION. 40/il INJECTION 10 20 30 40 CONCENTRATION (ppb) 50 Figure 23. Calibration for iron (0-40 ppb) in seawater and distilled water be seen that analysis of samples of seawaters with concentrations of these elements within the normal range (17) is possible with acceptable pre- cision. Precision is estimated to be better than ±10% above about ppb cadmium and above about 2 ppb for the other elements. The 18 successive injections of 40 pp
. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography 20MI INJECTION. 40/il INJECTION 10 20 30 40 CONCENTRATION (ppb) 50 Figure 23. Calibration for iron (0-40 ppb) in seawater and distilled water be seen that analysis of samples of seawaters with concentrations of these elements within the normal range (17) is possible with acceptable pre- cision. Precision is estimated to be better than ±10% above about ppb cadmium and above about 2 ppb for the other elements. The 18 successive injections of 40 ppb of copper in seawater shown in Figure 21 have a standard deviation of ±4%. The analytical procedure is, there- fore, very simple. Analytical conditions are set, and an appropriate volume of acidified seawater in injected. 689. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Atlantic Oceanographic and Meteorological Laboratories; Pacific Oceanographic Laboratories; United States. Environmental Science Services Administration. Research Laboratories; Environmental Research Laboratories (U. S. ). Washington, D. C. : U. S. Dept. of Commerce, Environmental Science Services Administration, Research Laboratories : For sale by Supt. of Docs. U. S. G. P. O.
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