A note on the colour reaction between piperazine and the sodium salt of 1.2-naphthoquinone-4-sulphonic acid.
D055598:Chemical Phenomena; D002621:Chemistry; D003116:Color; D009285:Naphthoquinones; D010879:Piperazines; D013451:Sulfonic Acids
D009285:Naphthoquinones; D010879:Piperazines; D013451:Sulfonic Acids