Direct and steam distillation autoanalyzer methods for assay of diazotizable aromatic amine metabolites of tryptophan in urine and in serum

A procedure is described for the assay of aromatic amine metabolites of tryptophan by an automated diazotization and coupling procedure using Technicon Autoanalyzer equipment. The assay is reliable and sensitive and if many samples are to be analyzed, will afford a several-fold saving in time and la...

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