title: Specificity of Spies and Chambers reagent for colorimetric estimation of tryptophan.
mesh_terms: D000447:Aldehydes; D055598:Chemical Phenomena; D002621:Chemistry; D003124:Colorimetry; D000431:Ethanol; D005069:Evaluation Studies as Topic; D007202:Indicators and Reagents; D007211:Indoles / Q000032:analysis; D008722:Methods; D009573:Nitrites; D013329:Structure-Activity Relationship; D014364:Tryptophan / Q000032:analysis*; D014867:Water
chemical_list: D000447:Aldehydes; D007202:Indicators and Reagents; D007211:Indoles; D009573:Nitrites; D014867:Water; D000431:Ethanol; D014364:Tryptophan