Abstract
Carbon submicroelectrodes of radius 4 μm were used in highly resistive water and chlorobenzene (BCl) solutions. Various uncharged and charged substrates (O 2, Fe(CN) 3− 6, phenol, anthracene and phenanthrene) were examined. In aqueous solutions the wave heights were practically independent of the concentration of the supporting electrolyte and linearly dependent on the substrate concentration. In BCl medium, a certain level of electrolyte was necessary to observe the waves. Determination of phenol in water without added electrolyte, phenol in BCl, and anthracene in phenanthrene in BCl solution containing 5 × 10 −2 mol dm −3 TBAP was found to be possible.
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