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铌的极谱催化波研究,已有文献报导,所采用的介质,均为硫酸或醋酸盐缓冲溶液,资料介绍过硝酸介质中铌的极谱波研究。S.Zeltzer在1mol/L硝酸溶液中得到铌酸的明晰波,E~1/2为-0.8伏(S.C.E)。BHBapeTIH等在0.01—1mol/L硝酸
The study of polarographic catalytic wave of niobium has been reported in the literature. The media used are all sulfuric acid or acetate buffer solution. The data of polarographic wave of niobium in nitric acid media are introduced. S. Zeltzer obtained a clear wave of niobic acid in a 1 mol / L nitric acid solution, E 1/2 of -0.8 volts (S.C.E.). BHBapeTIH and other 0.01-1mol / L nitric acid