锰(Ⅱ)-PAR配合物极谱吸附波的研究及应用

高等学校化学学报 ›› 1992, Vol. 13 ›› Issue (1): 42.

锰(Ⅱ)-PAR配合物极谱吸附波的研究及应用

蔡乾涛, 施文赵, 李翱, 罗晓兰, 吴明坚

华中理工大学化学系, 武汉, 430074

收稿日期:1990-12-01 出版日期:1992-01-24 发布日期:1992-01-24
通讯作者: 蔡乾涛
基金资助:
国家自然科学基金

Studies on Polarographic Adsorption Wave of Mn(Ⅱ)-PAR Complex and Its Analytical Application

CAI Qian-tao, SHI Wen-zhao, LI Ao, LUO Xiao-Ian, WU Ming-jian

Department of Chemistry, Huazhong University of Science and Technology, Wuhan, 430074

Received:1990-12-01 Online:1992-01-24 Published:1992-01-24

摘要/Abstract

关键词: 锰(Ⅱ), 4-(2-吡啶偶氮)-间苯二酚, 极谱吸附波

Abstract: In Na₂B4O₇(0.08 mol/L)-NaOHmedium at pH12.5, the complex compound of Mn (Ⅱ)-4-(2-pyridyazo)-resorcinol (PAR) gives a sensitive polarographic adsorption wave with relation to the concentration of Mn(Ⅱ) at -0.94 V(vs.SCE) in single-sweep oscillopolarograph, on the basis of which a new sensitive method for the determination of manganese by this polarographic adsorptive wave is established.There is a good linear relationship between the peak height of this wave and the concentration of Mn(Ⅱ) in the range of 4.0×10^-8 ~ 5.2×10^-6 mol/Land the detection limit is 1.0×10^-8 mol Mn(Ⅱ)/L.

Key words: Manganese, 4-(2-Pyridylazo)-resorcinol(PAR), Polarographic adsorption wave

TrendMD:

蔡乾涛, 施文赵, 李翱, 罗晓兰, 吴明坚. 锰(Ⅱ)-PAR配合物极谱吸附波的研究及应用. 高等学校化学学报, 1992, 13(1): 42.

CAI Qian-tao, SHI Wen-zhao, LI Ao, LUO Xiao-Ian, WU Ming-jian . Studies on Polarographic Adsorption Wave of Mn(Ⅱ)-PAR Complex and Its Analytical Application. Chem. J. Chinese Universities, 1992, 13(1): 42.

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