𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Reorientation of adsorbed 2-mercaptopyridine N-oxide on mercury electrodes in the presence of triton x-100

✍ Scribed by J.M.Rodríguez Mellado; R.Marín Galvín

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
319 KB
Volume
41
Category
Article
ISSN
0013-4686

No coin nor oath required. For personal study only.

✦ Synopsis

The effect of the addition of Triton x-100 on the electrochemical oxidation of 2mercaptopyridine N-oxide (NOS) on mercury electrodes in aqueous solutions is investigated. The shape of dc polarograms changed, (the prewave observed in the absence of T&on is now absent) and the dc polarographic data conform with the oxidation mechanism previously proposed. The differential pulse polarographic data and the cyclic voltammetric data were explained on the basis of a reorientation of the radical NOS adsorbed on the mercury surface, directed by the electrode potential. The Gibbs free enthalpy of the reorientation process was found to be around 3.6 kJ mol-'.

📜 SIMILAR VOLUMES

Electrochemical oxidation of 2-mercaptop
Electrochemical oxidation of 2-mercaptopyridine N-oxide on mercury electrodes in aqueous solutions
✍ I. Pardo; M. Angulo; R.Marín Galvín; J.M.Rodríguez Mellado 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 635 KB

The oxidation mechanism of 2-mercaptopyridine N-oxide (NOS) is studied in aqueous media. Polarographic, classical and differential pulse, and voltammetic studies were made. The effect of pH, reactant concentration and scan rate on the electrochemical parameters is studied. The results indicate that

Angular distributions of N2 in the photo
Angular distributions of N2 in the photodissociation of N2O adsorbed on a partially oxidized Si(100) surface at 95 K
✍ Jihwa Lee; Hiroyuki Kato; Kyoichi Sawabe; Yoshiyasu Matsumoto 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 596 KB

The time-of-flight distributions of the N, photofragment produced in the UV photodissociation of N,O adsorbed on a partially oxidized Si(100) surface at 95 K have been measured as a function of the desorption angle. Photoinduced electron transfer initiates the dissociation of N,O to produce an adsor