ELECTROCHEMICAL REDUCTION OF THE NITRITE TO AMMONIUM-IONS IN PRESENCE OF [MOO2(O2CC(S)C6H5)(2)](2-)

被引：16

作者：

VICENTE, F ^{[1
]}

GARCIAJARENO, JJ ^{[1
]}

TAMARIT, R ^{[1
]}

CERVILLA, A ^{[1
]}

DOMENECH, A ^{[1
]}

机构：

[1] UNIV VALENCIA,FAC CHEM,DEPT INORGAN CHEM,E-46100 BURJASSOT,SPAIN

来源：

ELECTROCHIMICA ACTA | 1995年 / 40卷 / 09期

关键词：

ELECTROCHEMICAL REDUCTION OF NITRITE; NAFION-COATED ELECTRODE; MOLYBDENUM COMPOUNDS; THIOLIC LIGANDS;

D O I：

10.1016/0013-4686(95)96916-W

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Ammonia is formed during potentiostatic reduction of sodium nitrite solutions on the nafion-complex-coated electrode. When (NH4)(2)[MoO2(O2CC(S)(C6H5)(2))(2)] is present in NaNO2 solutions a polarographic wave is associated to electroacatalytic reduction of nitrite ion. The wave height varies linearly on the concentration of nitrite ion, allowing a procedure for analysing this ion. This electrochemical behaviour distinguishes the nitrite from the nitrate ions. The Mo(VI), Mo(V), and Mo(IV) are involved in catalytic redox processes determining formation of NH4+ from nitrite ions.

引用

页码：1121 / 1126

页数：6

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