See Also: Yvon's test(medicine)
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medicine man(encyclopedia)

Yvon's test (medicine)


Yvon's test


For alkaloids; to the suspected solution is added a mixture of bismuth subnitrate, potassium iodide, and hydrochloric acid in water; a positive reaction is indicated by the appearance of a red colour; for acetanilid in the urine; the suspected fluid is extracted with chloroform and heated with yellow nitrate of mercury; if acetanilid is present, the fluid will be green.