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Gerhardt test for acetoacetic acid

Pronunciation: ger-hahrt'

Definition: in fresh urine a red color develops upon addition of FeCl3; no color develops if the urine has first been boiled; this test has low specificity and sensitivity.

Synonym(s): Gerhardt reaction

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.