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flotation method

 

Definition: any of several procedures for concentrating helminth eggs for more reliable results when eggs are difficult to find in direct examination; the flotation methods depend on flotation of helminth eggs on the surface of a liquid of sufficiently high specific gravity, approximately 1.180; one part feces mixed in about 10 parts saturated saline will float most protozoan cysts and nonoperculated helminth eggs.

See Also: zinc sulfate flotation centrifugation method

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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