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苯并三氮唑(BTZ)是光度法测定 Cu,Ag 和 Zn 的试剂,也是照像的防雾剂和抑制剂。Cu~(2+)与 BTZ 的络合物在 KOH 底液中给出一个灵敏的络合物吸附波,E_P=-0.57V(Vs.SCE),存10.0ng/ml 到1.00μg/ml范围内峰高与浓度成正此。本文研究了该波的特性和机理。
Benzotriazole (BTZ) is a photometric method for the determination of Cu, Ag and Zn, as well as a photographic antifog agent and inhibitor. The complexes of Cu 2+ with BTZ gave a sensitive complex adduct wave in the KOH bottom solution with E_P = -0.57 V (Vs.SCE) and a range of 10.0 ng / ml to 1.00 μg / ml The peak height and concentration into positive. This paper studies the characteristics and mechanism of this wave.