Wheeler-Johnson test

Wheel·er-John·son test

(wēl'ĕr jon'son),
a qualitative test for the pyrimidine bases cytosine and uracil, which produces a green coloration when the sample is treated with bromine water. The addition of barium hydroxide will turn the liquid purple.
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Wheeler-Johnson test

An obsolete, qualitative test for urinary pyrimidines (cytosine and uracil).
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.


Treat Baldwin, U.S. chemist, 1875-1947.
Wheeler-Johnson test - see under Wheeler, Henry Lord


Henry Lord, U.S. chemist, 1867-1914.
Wheeler-Johnson test - cystosine or uracil when treated with bromine yields dialuric acid which gives a green color with excess of barium hydroxide.
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