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Celda de Weston

De Wikipedia, la enciclopedia libre

Woodcut line drawing of H-shaped cell in an enclosure with electrical terminals at the top.
Dibujo de la patente estadounidense 494.827 de Edward Weston que representa la celda estándar.
Celda de Weston

La celda de Weston, es una celda húmeda que produce una tensión muy estable, adecuada como estándar de laboratorio para la calibración de voltímetros. Inventada por Edward Weston en 1893, fue adoptada como la norma internacional para los CEM entre 1911 y 1990.

Ánodo: Cd(s) → Cd2+(aq) + 2e-

Cátodo: Hg2SO4(s) + 2e- → 2Hg(l) + SO42-(aq)


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Esta página se editó por última vez el 2 feb 2023 a las 20:26.
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