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探讨Pt、Rh、Ir在H_2SO_4—NH_4Cl—六次甲基四胺—硫酸肼体系中的催化波,发现在不同电位处产生的极谱催化波及其检出限量,最后提出连续测定方法。
The catalytic wave of Pt, Rh and Ir in H_2SO_4-NH_4Cl-hexamethylenetetramine-hydrazine sulfate system was investigated. The polarographic catalytic wave generated at different potentials was detected and the limit of detection was found. Finally, the continuous determination method was proposed.