2011
DOI: 10.1590/s0100-40422011000900027
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Construção de uma célula-autoclave para medidas eletroquímicas a altas temperaturas

Abstract: Recebido em 30/12/10; aceito em 15/4/11; publicado na web em 17/6/11 CONSTRUCTION OF A CELL-AUTOCLAVE FOR ELECTROCHEMICAL MEASUREMENTS AT HIGH TEMPERATURES. Measurements at high temperature using liquid solutions require special cells and materials which are able to support the temperature and pressure developed inside. The constructed cell was designed to support pressures up to 20 bar, temperatures relatively high up to around 200 o C, depending on the pressure developed inside the system. It also supports a… Show more

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“…All the electrochemical experiments employing solutions at high temperature and pressure were performed with a mini-autoclave consisting of a cell enclosed in a pressure chamber, with an inner wall composed of Teflon ® to provide tolerance to aggressive solutions [37]. A platinum wire was used as the counter electrode and the reference electrode was a tungsten wire coated with a tungsten oxide film [38], immersed directly in the working solution.…”
Section: Methodsmentioning
confidence: 99%
“…All the electrochemical experiments employing solutions at high temperature and pressure were performed with a mini-autoclave consisting of a cell enclosed in a pressure chamber, with an inner wall composed of Teflon ® to provide tolerance to aggressive solutions [37]. A platinum wire was used as the counter electrode and the reference electrode was a tungsten wire coated with a tungsten oxide film [38], immersed directly in the working solution.…”
Section: Methodsmentioning
confidence: 99%