Abstract
FEW results are available on the occurrence of trace amounts of cobalt in sea-water. Noddack and Noddack1 and Black and Mitchell2 reported obtaining the values 0.1 µg cobalt/kg and less than 0.3 µg cobalt/1., using emission spectrometry. Ishibashi3 obtained a value of 0.4–0.7 µg cobalt/1. by spectrophotometry. With improved spectrophotometry, Weiss and Reed4 and Thompson and Laevastu5 found values of 0.038 µg cobalt/1. and 0.2–0.3 µg cobalt/1. respectively.
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References
Noddack, I., and Noddack, W., Arkiv. für Zoologi, 32A, 1 (1939).
Black, W. A. P., and Mitchell, R. L., J. Mar. Biol. Assoc. U.K., 30, 575 (1952).
Ishibashi, M., Rec. Oceanog. Wks. Japan, 1, (N.S.), 88 (1953).
Weiss, H. V., and Reed, J. A., J. Mar. Res., 18, 185 (1960).
Thompson, T. G., and Laevastu, T., J. Mar. Res., 18, 189 (1960).
Yamagata, N., and Iwashima, K., Nature, 200, 52 (1963).
Sandell, E. B., Colorimetric Determination of Traces of Metals, 409, third ed. (Interscience Publishers, Inc., New York, 1959).
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FUKAI, R., HUYNH-NGOC, L. & VAS, D. Determination of Trace Amounts of Cobalt in Sea-water after Enrichment with Solid Manganese Dioxide. Nature 211, 726–727 (1966). https://doi.org/10.1038/211726a0
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DOI: https://doi.org/10.1038/211726a0
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