Dragendorff test

Dra·gen·dorff test

an obsolete qualitative test for bile; a drop of nitric acid added to either white filter paper or unglazed porcelain moistened with a fluid containing bile pigments produces a play of colors. The test is essentially the same as Gmelin test for bile in urine.
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Georg J.N., German physician and pharmaceutical chemist, 1836-1898.
Dragendorff solution
Dragendorff test - a qualitative test for bile.
Medical Eponyms © Farlex 2012
References in periodicals archive ?
Dragendorff test.--To 1 mL of extract, a few drops of Dragendorffs reagent were added.