1. ESTIMATION OF THE USEFULNESS OF GLASSY CARBON ELECTRODE IN NON-AQUEOUS SOLVENTS POLARIZED TO HIGHER ANODIC POTENTIALS. Authors: LÁSZLÓ KISS, SÁNDOR KUNSÁGI-MÁTÉ.2. ASSESSMENT OF NON-AQUEOUS SOLVENTS IN THE ELECTROOXIDATION OF RESORCINOL, PHLOROGLUCINOL, PYROGALLOL, AND ROLE OF CO-SOLVENT IN DETERMINATION OF PYROGALLOL WITH MICROELECTRODE VOLTAMMETRY. Authors: LÁSZLÓ KISS, SÁNDOR KUNSÁGI-MÁTÉ.