|Rosenbach-Gmelin test -->|
A test for bile in the urine or other body fluid; nitric acid, with a little nitrous acid, is cautiously added to a few millilitres of the material to be tested; if bile (bilirubin) is present, it is oxidised to varying degrees, thereby resulting in disklike zones that are (from the interface outward) yellow, red, violet, blue, and green; development of green and violet layers is essential to the validity of the test.
Synonyms: Rosenbach-Gmelin test.
(05 Mar 2000)
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