Abstract
A procedure for the determination of a mixture of secondary and tertiary amines in urine is described. The method is based on the formation of dithiocarbamic acids from secondary amines and carbon disulfide, followed by the reaction of this acid with copper to form a yellow salt or complex, and on the production from tertiary amines of a yellow acid salt of the quinoid form of a halogenated sulfonphthalein dye. Data describing the recovery of three secondary and three tertiary amines from urine are presented.
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