Preparation of the sea water reference material for trace metals,NASS-1 |
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| Authors: | SS Berman RE Sturgeon JAH Desaulniers AP Mykytiuk |
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| Institution: | Division of Chemistry, National Research Council of Canada, Ottawa, Ontario K1A OR9, Canada |
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| Abstract: | The preparation of a sea water reference material, NASS-1, is described. The sea water is an open ocean sample, salinity 35.07‰, gathered at the 1300 metre level in the North Atlantic, south-east of Bermuda. It is acidified to pH 1.6 with nitric acid and bottled in 2 1 polyethylene bottles. Reliable values are available for 11 trace metals (As, Cd, Cr, Co, Cu, Fe, Pb, Mn, Mo, Ni and Zn). The results of a long-term sea water storage experiment are also described. |
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