FLOW-INJECTION BIAMPEROMETRIC DIRECT DETERMINATION OF HYDRAZINE AT TWO OXIDE-MODIFIED PLATINUM ELECTRODES
作者： Chuan Zhao , Junfeng Song , Juncai Zhang
DOI: 10.1081/AL-100106843
关键词: Detection limit 、 Analytical chemistry 、 Flow injection analysis 、 Hydrazine 、 Electrode 、 Oxide 、 Chemistry 、 Catalysis 、 Electrochemistry 、 Platinum
摘要: A new electrochemical method for the direct determination of hydrazine has been designed flow injection analysis. The is based on coupling two independent and irreversible electrode processes, electrocatalytic oxidization reduction platinum oxide, to form a biamperometric detection system. measuring conditions are optimized. In operation, potential difference 0.00 V imposed between identical wire electrodes pretreated by an anodization step, resulting current measured. linear relationship concentration obtained in range 1 × 10−7 10−5 mol l−1 with limit 8 10−8 l−1. Most cations, anions organic compounds tested found not cause significant interference hydrazine. stability shown relative standard deviation (1.7%) 24 replicate determinations 2 10−6 ...
sci-hub.se 参考文章(36)
A. Damjanovic, L‐S. R. Yeh, J. F. Wolf, Formation of Thin Oxide Films at Platinum Anodes in Alkaline Solutions III . pH Dependence Journal of The Electrochemical Society. ,vol. 129, pp. 55- 61 ,(1980) , 10.1149/1.2123791
B JASELSKIS, F DIAS, A OLOJOLA, Spectrophotometric determination of micro amounts of hydrazine and hydroxylamine alone and in the presence of each other. Talanta. ,vol. 26, pp. 47- 49 ,(1979) , 10.1016/0039-9140(79)80152-6
Wojciech Matuszewski, Marek Trojanowicz, Selective flow-injection determination of residual chlorine at low levels by amperometric detection with two polarized platinum electrodes Analytica Chimica Acta. ,vol. 207, pp. 59- 65 ,(1988) , 10.1016/S0003-2670(00)80782-5
Y Gawargious, Iodometric microdetermination of hydrazines by amplification reactions. Talanta. ,vol. 22, pp. 757- 760 ,(1975) , 10.1016/0039-9140(75)80220-7
W HOU, H JI, E WANG, Amperometric flow-injection analysis of hydrazine by electrocatalytic oxidation at cobalt tetraphenylporphyrin modified electrode with heat treatment. Talanta. ,vol. 39, pp. 45- 50 ,(1992) , 10.1016/0039-9140(92)80048-I
Wojciech Matuszewski, Adam Hulanicki, Marek Trojanowicz, Flow-injection single-point titration of acids with biamperometric detection at polarized platinum electrodes Analytica Chimica Acta. ,vol. 194, pp. 269- 274 ,(1987) , 10.1016/S0003-2670(00)84779-0
Sanae Ikeda, Hiromu Satake, Yasuyuki Kohri, FLOW INJECTION ANALYSIS WITH AMPEROMETRIC DETECTOR UTILIZING THE REDOX REACTION OF IODATE ION Chemistry Letters. ,vol. 13, pp. 873- 876 ,(1984) , 10.1246/CL.1984.873
Joseph. Wang, Teresa. Golden, Ruiliang. Li, Cobalt phthalocyanine/cellulose acetate chemically modified electrodes for electrochemical detection in flowing streams. Multifunctional operation based upon the coupling of electrocatalysis and permselectivity Analytical Chemistry. ,vol. 60, pp. 1642- 1645 ,(1988) , 10.1021/AC00166A038
Shigeo Shibata, Masae P. Sumino, Electrochemical reduction of thick oxide film on platinum electrode in alkaline solutions Electrochimica Acta. ,vol. 26, pp. 1587- 1593 ,(1981) , 10.1016/0013-4686(81)85132-8
T. P. Tougas, J. M. Jannetti, W. G. Collier, Theoretical and experimental response of a biamperometric detector for flow injection analysis Analytical Chemistry. ,vol. 57, pp. 1377- 1381 ,(1985) , 10.1021/AC00284A044