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Define platinum metal. platinum metal synonyms, platinum metal pronunciation, platinum metal translation, English dictionary definition of platinum metal. n any of the group of precious metallic elements consisting of ruthenium, rhodium, palladium, osmiu
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Pt is currently the most common catalyst used for the oxygen reduction reaction (ORR) in devices such as fuel cells and metal–air batteries2,3, although a scalable use is restricted by the scarcity, cost and vulnerability to poisoning of Pt (refs 4,5,6). Here we show that ...
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(E°O2/H2O=1.23VSHE)52,53. In contrast, Pt/HSC reveals an onset potential of 0.71VRHE, close to the thermodynamic potential of H2O2production (E°O2/H2O2=0.69VSHE). Rotating ring disk electrode (RRDE) experiments (Fig. 3b) revealed that Pt/HSC produces H2O2with up to 96% selectivity,...
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Despite geographic heterogeneity in resistance profiles, the issue is directly associated with antibiotic mismanagement reflected especially in the agricultural sector, and in low-income countries, whose underreporting is significant [30]. In India, resistance to CIP and ERY reaches values of 33.3 and ...