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Potentiometric pH sensor with anthraquinonesulfonate adsorbed on glassy carbon electrodes

✍ Scribed by Kwok-Keung Shiu; Fayi Song; Hong-Ping Dai

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
535 KB
Volume
8
Category
Article
ISSN
1040-0397

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✦ Synopsis

Electrochemically activated glassy carbon electrodes adsorbed with anthraquinonesulfonate species showed potentiometric responses toward pH changes for pH range between 1 and 1 1, with a near Nernstian slope of about 56.4 mV/pH and a lifetime of more than one month. The effects of electrode pretreatment and preparation conditions, as well as the effects of interfering ions on the electrode response were studied.

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