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Identification of particle size classes inhibiting protozoan recovery from surface water samples via U.S.

Leigh-Anne H Krometis1, Gregory W Characklis, Mark D Sobsey

  • 1Department of Biological Systems Engineering, 200 Seitz Hall (0303), Virginia Tech, Blacksburg, VA 24061-0303, USA. krometis@vt.edu

Applied and Environmental Microbiology
|August 18, 2009
PubMed

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In precipitation gravimetry, the precipitating agent should react specifically or selectively with the analyte. While a specific reagent reacts with the analyte alone, a selective reagent can react with a limited number of chemical species.
The obtained precipitate should be either a pure substance of known composition or easily converted to one by a simple process, such as ignition or drying. In addition, the precipitate should be insoluble and easily filterable. In general, filterability...