一批高灵敏的新型稀土显色剂在武汉大学研制成功,这项成果为分析界的喜讯。上海化学试剂站相应供应下列新品种: 1.三溴偶氮胂紫黑色粉末,易溶于水、乙醇和丙酮,不溶于苯、氯仿和乙酸乙酯。在PH2～3.6能与轻、重稀土发生极灵敏的显色反应。在0.02 A number of highly sensitive new rare earth color reagent developed at Wuhan University, the results for the analysis of the good news. Shanghai Chemical Reagent Station corresponding supply the following new varieties: 1. Tribromo arsenazo purple black powder, soluble in water, ethanol and acetone, insoluble in benzene, chloroform and ethyl acetate. In PH2 ~ 3.6 with light, heavy rare earth occurs extremely sensitive color reaction. At 0.02