[The color of cysteine hydrochloride reacted with ninhydrin].
D002712:Chlorides; D002854:Chromatography, Paper; D003116:Color; D003124:Colorimetry; D003545:Cysteine / Q000032:analysis*; D007202:Indicators and Reagents
D002712:Chlorides; D007202:Indicators and Reagents; D003545:Cysteine