bentonite flocculation test
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ben·ton·ite floc·cu·la·tion test
an obsolete flocculation test for rheumatoid arthritis in which sensitized bentonite particles are added to inactivated serum; the test is positive if half of the particles are clumped while the other half remain in suspension.
ben·ton·ite floc·cu·la·tion test
(ben'tŏn-īt flok'yū-lā'shŭn test)A procedure measuring rheumatoid arthritis in which sensitized bentonite particles are added to inactivated serum; the test result is positive if half of the particles are clumped while the other half remain in suspension.