Electrochemical properties of [Ru(edta)(H2O)](-) immobilized on a zirconium(IV) oxide-coated silica gel surface

被引:24
作者
Gushikem, Y [1 ]
Peixoto, CRM [1 ]
Rodrigues, UP [1 ]
Kubota, LT [1 ]
Stadler, E [1 ]
机构
[1] UNIV FED SANTA CATARINA, DEPT QUIM, BR-88400970 FLORIANOPOLIS, SC, BRAZIL
基金
巴西圣保罗研究基金会;
关键词
zirconium(IV) oxide; silica gel; ruthenium edta complex; zirconium(IV) oxide-coated silica;
D O I
10.1006/jcis.1996.0616
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
[Ru(edta)(H2O)](-) is strongly adsorbed on a zirconium(IV) oxide-coated silica gel surface, The immobilized complex showed an electrochemical response due to the Ru(II)/Ru(III) redox couple, By substituting the coordinated water molecule in the adsorbed complex, the midpoint potentials shifted in the order (in mV) water, -290; thiocyanate, -200; pyridine,- 180; 4-cyanopyridine, -80; and pyrazine, -50 vs SCE. (C) 1996 Academic Press, Inc.
引用
收藏
页码:236 / 240
页数:5
相关论文
共 28 条
[1]   COORDINATION CHEMISTRY IN 2 DIMENSIONS - CHEMICALLY MODIFIED ELECTRODES [J].
ABRUNA, HD .
COORDINATION CHEMISTRY REVIEWS, 1988, 86 :135-189
[2]   SPECTROELECTROCHEMICAL AND KINETIC-BEHAVIOR OF THE [RU(EDTA)-(DIETHYLDITHIOCARBAMATE)] COMPLEX [J].
ARAKI, K ;
REIN, FN ;
CAMERA, SG ;
TOMA, HE .
TRANSITION METAL CHEMISTRY, 1992, 17 (06) :535-538
[3]   INFLUENCE OF THE PENDANT GROUP ON THE SUBSTITUTION LABILITY OF N-SUBSTITUTED ETHYLENEDIAMINETRIACETATE COMPLEXES OF RUTHENIUM(III) IN AQUEOUS-SOLUTION [J].
BAJAJ, HC ;
VANELDIK, R .
INORGANIC CHEMISTRY, 1990, 29 (15) :2855-2858
[4]   KINETICS AND MECHANISM OF THE LIGAND SUBSTITUTION-REACTIONS OF ETHYLENEDIAMINETETRAACETATE COMPLEXES OF RUTHENIUM(III) IN AQUEOUS-SOLUTION [J].
BAJAJ, HC ;
VANELDIK, R .
INORGANIC CHEMISTRY, 1988, 27 (22) :4052-4055
[5]  
BARD AJ, 1980, ELECTROCHEMICAL METH
[6]   DETECTION OF NITRITE USING ELECTRODES MODIFIED WITH AN ELECTRODEPOSITED RUTHENIUM-CONTAINING POLYMER [J].
BARISCI, JN ;
WALLACE, GG .
ANALYTICAL LETTERS, 1991, 24 (11) :2059-2073
[7]   POLYMER MODIFIED ELECTRODES .6. NONSTATIONARY PROCESSES AT POLYMER-COATED ROTATING-DISK ELECTRODES - A STUDY OF [RU(BPY)2CL(PVP)5]CL FILMS AS 3-DIMENSIONAL MEDIATORS [J].
CASSIDY, JF ;
VOS, JG .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1988, 135 (04) :863-868
[8]   REACTIVITY OF [RU-III(EDTA)(H2O)](-) WITH NUCLEIC BASES, NUCLEOSIDES AND DNA (CALF-THYMUS) IN AQUEOUS-SOLUTION (ETDA=ETHYLENEDIAMINE-N,N,N',N'-TETRAACETATE) [J].
CHATTERJEE, D ;
BAJAJ, HC ;
DAS, A .
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1995, (15) :2497-2501
[9]   ZIRCONIUM(IV) OXIDE-COATED SILICA-GEL SURFACE AS A BASE FOR COPPER HEXACYANOFERRATE IMMOBILIZATION [J].
DACUNHA, LJV ;
ANDREOTTI, EIS ;
GUSHIKEM, Y .
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY, 1995, 6 (03) :271-276
[10]   ADSORPTION OF CO(II) AND CU(II) ON SILICA-GEL SURFACE MODIFIED WITH PYRIDINIUM ION FROM ACETONE AND ETHANOL SOLUTIONS [J].
GUSHIKEM, Y ;
IAMAMOTO, MS .
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1990, 134 (01) :275-278