Topic
Polarography
About: Polarography is a research topic. Over the lifetime, 4772 publications have been published within this topic receiving 75478 citations.
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TL;DR: In this paper, an apparatus is described which allows one to measure the polarographic currents of free H atoms produced radiation chemically in an aqueous solution under 50 atm of hydrogen.
Abstract: An apparatus is described which allows one to measure the polarographic currents of free H atoms produced radiation chemically in an aqueous solution under 50 atm of hydrogen. The electrode was a tiny mercury drop. The polarogram of the H-atom contains a weak anodic wave and two cathodic waves. The pH dependence of these waves is described and electrode processes are attributed to the waves.Methyl and ethyl radicals were also produced in solutions under high methane or ethane pressure as well as the 2-hydroxyethyl radical in an ethylene + N2O containing solution. All these radicals have separated anodic and cathodic waves. The anodic wave is shifted towards more negative potentials in alkaline solutions. In acid solution additional cathodic currents were obtained in the potential range between the two main waves. Various electrode reactions of these organic radicals are discussed.
19 citations
TL;DR: In this paper, the possibility of using the simple calculation method of plotting ΔE1/2 vs. the logarithm of the concentration of the ligand, for the class of the electrode reaction in which the non-reversibility is due to the charge transfer step and is independent of complex formation, has been investigated.
19 citations
TL;DR: In this paper, a comprehensive study by cyclic voltammetry and UV-Vis spectroscopy was performed on the electrochemical reduction in different electrolytic media of ortho- and meta-nitrotoluene derivatives.
19 citations
TL;DR: In this article, a flow-injection system was used for polarographic determination of isosorbide dinitrate (ISDN) in a flow injection system assembled from commercially available units.
19 citations
TL;DR: In this paper, Capillary electrophoresis in the reverse polarity mode was used to separate the chelate from Azomethine H. In the reversed mode, the ion pair of the anionic chelate with cations such as cetyltrimethylammonium bromide (CTAB) was still negatively charged.
19 citations