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    A self-powered pumping system for in situ extraction of particulate and dissolved materials from large volumes of seawater

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    WHOI-82-8.pdf (624.0Kb)
    Date
    1982-02
    Author
    Winget, Clifford L.  Concept link
    Burke, John C.  Concept link
    Schneider, David L.  Concept link
    Mann, Don R.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/1941
    DOI
    10.1575/1912/1941
    Keyword
     Submersible pumps; Seawater sampling 
    Abstract
    A pumping system has been developed for the in situ extraction of particles and of dissolved constituents from large volumes of seawater. The assembly consists of a battery-powered submersible pump, filters, and chemisorptive cartridges; it is entirely self-contained and has been used successfully on ship's hydrographic wire to depths as great as 5800 m. The pump is designed to operate at a maximum pressure drop of 66 cm of Hg; flow rates have varied from 1.3 to 5.1 liters/min. We have sampled volumes as large as 758 liters, and the measured battery drain suggests that volumes several times this could be pumped at any depth. The system is being used to study a variety of artificial radionuclides, but modifications of the filter or chemisorbent units would make it useful in many other geochemical applications.
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    • Marine Chemistry and Geochemistry (MC&G)
    • WHOI Technical Reports
    Suggested Citation
    Winget, C. L., Burke, J. C., Schneider, D. L., & Mann, D. R. (1982). A self-powered pumping system for in situ extraction of particulate and dissolved materials from large volumes of seawater. Woods Hole Oceanographic Institution. https://doi.org/10.1575/1912/1941
     

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