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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Dragendorff,Georg J.N., German physician and pharmaceutical chemist, 1836-1898.
Dragendorff test - a qualitative test for bile.
Medical Eponyms © Farlex 2012