Letter | Published:

Copper in Diatoms

Nature volume 159, page 646 (10 May 1947) | Download Citation

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Abstract

WORK undertaken in this Laboratory suggests that certain species of diatoms, which are the normal constituents of the slime film which forms upon a submerged surface in marine waters, contain copper, far in excess of the amount usually considered lethal for unicellular Algæ. (Half to one part per million is usually sufficient to remove algal growths from reservoirs.) Large colonies of marine diatoms were gathered freshly during the spring maximum of 1946, from a raft located in Chichester Harbour. Sixteen samples were examined : Nos. 1–12 inclusive were species which live in frondose colonies of mucous filaments, 5–10 cm. in length ; samples Nos. 13–16 inclusive were species which grow either upon mucous stalks or embedded within a flat film.

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References

  1. 1.

    , and , "Metallurgical Analysis by Means of the Spekker Photo-electric Absorptiometer" (London, 1944).

  2. 2.

    , Nature, 158, 588 (1946).

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Author information

Affiliations

  1. Admiralty Central Metallurgical Laboratory, Emsworth House, Emsworth, Hants. March 8.

    • N. INGRAM HENDEY

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DOI

https://doi.org/10.1038/159646a0

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