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. Des-di-sques-de-smm-de-d, iamètre sont découpés dans une feu'i I'le de carbone PAPYEX d'une épaisseur de 3 mm (Le Carbone Lorraine France) Ces di sques sont ensui te 'lavés 2 f oi s dans 'l 'acétone (30 mi n pour chaque l avage avec une 1égère agitation) puis ils subissent un lavage dans l'eau disti'l'lée portée à ébullition pendant une heure

. Après-cette-opérat, ion , I es di sques de PAPYEX sont p'lacés dans des tubes d'échantillonnage en polyéthylène (ces tubes vont servir de moule pour la fabrication du corps de l'électrode) Des sections de fi I électrique (0,2 mm d'épaisseur) sont scellés sur ces disques à I'aide d'une goutte de résine argent époxy conductrice

. Conformément-À-la-notice-du-fabricant, on coule une résine qui va former le corps de I 'él ectrode. Cel'l e-ci correspond à un mé1 ange de 9 vol umes de rési ne neponn (grade 815