Polarographic Investigations in the Ammoniate of Sodium Iodide.

Sellers, D. E.; Leonard, G. W.

doi:10.1021/ac60191a032

Cited by 10 publications

(6 citation statements)

References 10 publications

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“…Therefore, the ratedetermining step for the n.e.r, in liquid ammonia must be some electrochemical process represented by Eq. [8]. Similar conclusions were reached by Gessler and Pleskov (6) in their studies in liquid ammonia, and by Gerischer and Mauerer (18) in their investigations in aqueous KOH solutions.…”

Section: Nhxads -> Nhy Ads -}-(X --Y)h + + (X --Y)e-[8]supporting

confidence: 80%

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Hydrogen and Nitrogen Evolution Reactions in Acid Liquid Ammonia

Miles

Yates

1974

J. Electrochem. Soc.

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The hydrogen and nitrogen evolution reactions were investigated on various electrode surfaces in acid (NH4NO~) liquid ammonia solutions at temperatures ranging from 20 ~ to --60~ Tafel slopes, transfer coefficients, and exchange currents were determined from the potential-current measurements. The relative rates of the hydrogen evolution reaction on various surfaces in liquid ammonia is in the order Pt, Ir >> Ni2B, Au > Mo, Cr, W >> Ta, similar to the relative reactivities found in aqueous solutions. The Tafel slopes for the cathodic reaction are also similar to Tafel slopes determined in aqueous solutions at comparable temperatures. However, the apparent cathodic transfer coefficients tend to decrease significantly at low temperatures. On platinum surfaces, the slow step appears to change from the chemical reccmbination of adsorbed hydrogen atoms to an electrochemical process as the temperature decreases. Studies of the nitrogen evolution reaction are complicated by possible interfering anodic reactions. However, the results indicate that there is an extremely high overvoltage associated with the nitrogen evolution reaction, and that electrochemical process rather than chemical recombination steps control the reaction rate. * Electrochemical Society Active Member.

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Section: Nhxads -> Nhy Ads -}-(X --Y)h + + (X --Y)e-[8]supporting

confidence: 80%

“…The liquid ammonia solutions were prepared from anhydrous ammonia (99.99%) and vacuum-dried, reagent grade NI-I4NO3 using methods similar to those described previously (2,7). At 0 ~ and 20~ the mole ratio of NI-I3 to NH4NO~ is about 1.5 in the ammoniate of this salt (8). At --60~ approximately 5M solu-tions of NH4NO3 were used.…”

Section: Methodsmentioning

confidence: 99%

Hydrogen and Nitrogen Evolution Reactions in Acid Liquid Ammonia

Miles

Yates

1974

J. Electrochem. Soc.

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“…In the aromatic series the reduction of aromatic nitro compounds continues to be used to study the applicability of new solvents, and techniques. Data are reported for the reduction of various nitro compounds and their reduction products in liquid ammonia containing ammonium thiocyanate (146,810), lithium nitrate (115), and sodium iodide (855). Oscillopolarographic studies are reported for some of these compounds in the same solvent containing ammonium thiocyanate (145,146) and ammonium nitrate (623).…”

Section: R-i + E -» [R-i ]mentioning

confidence: 99%

“…Studies on the use of anhydrous solvents have continued and have been reviewed (425). Data are given for the behavior of inorganic and organic compounds in dimethylsulfoxide (845,846), M-methylacetamide (473), N,N-Aimethylacetamide (663), tetramethylurea (1053), formamides (287), and liquid ammonia containing lithium nitrate (1115), ammonium nitrate (623), ammonium thiocyanate (145,146,810), and sodium iodide (855).…”

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confidence: 99%

Organic Polarography

Wawzonek¹,

Pietrzyk²

1964

Anal. Chem.

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“…Traces of water have an important effect. Sellars and Leonard (222) have performed polarography in the ammoniate of sodium iodide and report normal behavior for both inorganic and organic electroactive species. Schober, Guttmann, and Nedbalek (218) have reviewed polarographic behavior in ethylenediamine, acetic anhydride, and dimethylsulfoxide.…”

Section: Miscellaneousmentioning

confidence: 99%

Polarographic Theory, Instrumentation, and Methodology

Hume¹

1964

Anal. Chem.

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Polarographic Investigations in the Ammoniate of Sodium Iodide.

Cited by 10 publications

References 10 publications

Hydrogen and Nitrogen Evolution Reactions in Acid Liquid Ammonia

Hydrogen and Nitrogen Evolution Reactions in Acid Liquid Ammonia

Organic Polarography

Polarographic Theory, Instrumentation, and Methodology

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