Abstract

A. H. El-Askalany, E. A. Gomma and Y. A. El-Ewady

The polarographical electroreduction of sodium nitroprusside (SNP) in O. IM NaF, KCI, KBr. Na2SO4 and Na2SO3 showed three reduction waves. On the other hand two waves are obtained on using O IM Nal and Na2S2O3 solutions. The three reduction waves in the former case are due to the formation of [ Fe (CN)5NO ]2- [ Fe (CN)5NO ]4 and [ Fe (CN)5NO]2 ions respectively. The two waves in the latter case are also discussed.

Mechanism; Sodium; Nitroprusside; (SNP)

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