Technical University of Munich Researcher (IMAGE) Technical University of Munich (TUM) Caption Not the complete platinum surface is catalytically active, but only some especially exposed areas, so-called active centers. Measurement of a platinum electrode with a hanging meniscus configuration. Credit Wenzel Schuermann, Technical University of Munich Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.