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Vertical distribution of vitamin B12 in the sea

Published online by Cambridge University Press:  11 May 2009

K. W. Daisley
Affiliation:
Unit for Biochemical Research bearing on Fisheries' Problems, at the National Institute for Research in Dairying, Shinfield, Reading
L. R. Fisher
Affiliation:
Unit for Biochemical Research bearing on Fisheries' Problems, at the National Institute for Research in Dairying, Shinfield, Reading

Extract

A considerable seasonal variation in the vitamin B12 concentration in oceanic surface water has been demonstrated by Cowey (1956).

The present investigation was undertaken to examine any variation with depth.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 1958

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References

Cowey, C. B., 1956. A preliminary investigation of the variation of vitamin B12 in oceanic and coastal waters. J. mar. biol. Ass. U.K., Vol. 35, pp. 609–20.CrossRefGoogle Scholar
Daisley, K. W., 1958. A method for the measurement of vitamin B12 concentration in sea water. J. mar. biol. Ass. U.K., Vol. 37, pp. 673–81.CrossRefGoogle Scholar
Kashiwada, K., Kakimoto, D., Morita, T., Kanazawa, A. & Kawagoe, K., 1957. Studies on vitamin B12 in sea water. II. On the assay method and the distribution of this vitamin B12 in the ocean. Bull. Jap. Soc. sci. Fish., Vol. 22, pp. 637–40.CrossRefGoogle Scholar
Truesdale, G. A., Downing, A. L. & Lowden, G. F., 1955. The solubility of oxygen in pure water and sea-water. J. appl. Chem. Lond., Vol. 5, pp. 5362.CrossRefGoogle Scholar