POTENTIOMETRIC RESPONSE OF A GRAPHITE ELECTRODE MODIFIED WITH COBALT PHTHALOCYANINE FOR THIOLS AND DISULFIDES

POTENTIOMETRIC RESPONSE OF A GRAPHITE ELECTRODE MODIFIED WITH COBALT PHTHALOCYANINE FOR THIOLS AND DISULFIDES

We have investigated the potentiometric response of ordinary pyrolytic graphite electrodes (OPG) modified with cobalt phthalocyanine (Co-Pc) for thiols (R-SH) 2-mercaptoethanol, L-cysteine and their corresponding disulfides (R-SS-R). Stable potentials are achieved after a few seconds of additions of...

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Autores principales: ZAGAL,JOSÉ H., HENRIQUEZ,JAIME J.H.
Lenguaje:English
Publicado: Sociedad Chilena de Química 2000
Materias:
Cobalt phthalocyanine
2-mercaptoethanol
L-cysteine
disulfides
potentiometric response
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0366-16442000000200010
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