Weidel reaction

Wei·del re·ac·tion

(vī'del),
a reaction showing the presence of xanthine; a solution of the suspected substance in chlorine water with a little nitric acid is evaporated in a water bath, and then exposed to the vapor of ammonia; the presence of xanthine is indicated when a red or purple color develops.

Weidel reaction

An obsolete term for a colorimetric chemical reaction formerly used to identify xanthine in a fluid of clinical interest.

Weidel reaction

(vī′dĕl)
[Hugo Weidel, Austrian chemist, 1849–1899]
An obsolete test for the presence of uric acid or xanthine bodies.

Weidel,

Hugo, Austrian chemist, 1849-1899.
Weidel reaction - a reaction showing the presence of xanthine.
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