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The composition of settling particles in Lake Zürich

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Abstract

Settling particles in the Lake Zürich were collected at different depths. Water samples and particles have been analyzed for heavy metals and for organic matter elements. Samples were investigated by transmission electron microscopy, scanning electron microscopy, energy dispersive X ray and X ray. The elemental composition of the settling particles was found to be almost constant. Special remarks are made on iron and phosphate and on manganese. Manganese oxidizing microorganisms were found near the bottom of the lake.

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Author notes

  1. Rudolf Giovanoli & Rudolf Brütsch

    Present address: Laboratory for Electron Microscopy, University of Bern, Sahlistrasse 6, Bern, Switzerland

  2. Dieter Diem, Gertrud Osman-Sigg & Laura Sigg

    Present address: Institute for Aquatic Sciences, Swiss Federal Institute of Technology, EAWAG, CH-8600, Dübendorf, Switzerland

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    1. Rudolf Giovanoli
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    2. Rudolf Brütsch
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    3. Dieter Diem
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    4. Gertrud Osman-Sigg
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    5. Laura Sigg
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    Giovanoli, R., Brütsch, R., Diem, D. et al. The composition of settling particles in Lake Zürich. Schweiz. Z. Hydrologie 42, 89–100 (1980). https://doi.org/10.1007/BF02502429

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    • DOI: https://doi.org/10.1007/BF02502429

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