钒(Ⅴ)─荧光镓极谱络合吸附波的研究  

STUDIES ON THE POLAROGRAPHIC ADSORPTIVE COMPLEX WAVE OF VANADIUM (Ⅴ)-LUMOGALLION

作　　者：江正瑾[1] 李益恒[1] 

机构地区：[1]湘潭大学化学化工学院,湘潭411105

出　　处：《湘潭大学自然科学学报》1997年第3期71-73,共3页Natural Science Journal of Xiangtan University

摘　　要：在pH6.0的KCl底液中，钒（Ⅴ）-荧光镓（LMG）配合物产生一灵敏的极谱吸附波，峰电位在－0．86V（vs·SCE），二次导数峰高与钒（Ⅴ）浓度在3．9×10－9～3．9×10－6mol／L范围内里线性关系，检测限为2．0×10-9mol／L．研究了电极反应机理，方法已成功地应用于自来水中机的测定．A sensitive adsorptive complex wave of Vanadium (Ⅴ)-Lumogallion was obtained by using single-sweep polarography in 0.1 mol/L Potassium chloride solution (pH=6. 0). The peak potential is-0. 86 V(vs. SCE). The peak height is proportional to the concentration of Vanadium over the range of 3. 9×10-9 ~3. 9×10-6mol/L. The limit of detection for Vanadium is 2. 0×10-9mol/L. The mechanism of the electrode reaction has been studied and the proposed method has been successfully applied to the determination of Vanadium in tap water.

关 键 词：钒 荧光镓 极谱配合吸附波 

分 类 号：O614.511[理学—无机化学]