Bismuth oxide screen-printed carbon electrode



Screen-printed electrodes (SPEs) are electrochemical platforms manufactured by printing a wide variety of inks over different substrates allowing rapid on-site analysis with high reproducibility, sensitivity and accuracy.


Number of WEs: 1 WE
Working electrode material: Bismuth (III) oxide/carbon
Auxiliary electrode material: Carbon
Reference electrode material: Silver
Contacts material: Silver
Substrate material: Ceramic
Substrate size: Length: 3.38 cm x Width: 1.02 cm
Substrate thickness: 0.05 cm
Main features:

Single to use sensors that eliminate the electrode maintenance. Specially designed to work with microvolumes, this inexpensive miniaturized solution presents high reproducibility making them ideal for working in decentralized assays or to develop (bio)sensors in environmental, clinical or agri-food areas. The different modifications applied to the working electrode provide an enhanced active area and improve the electron-transfer properties.

Possible applications:

Environmental friendly determination of heavy metals at ppb levels, avoiding mercury based electrodes. Also,this electrochemical platform is useful for developing other (bio)sensing applications in multiple sectors and fields.

Additional information:

For best results in the detection of heavy metals, electrochemical reduction of bismuth oxide to bismuth is recommended prior startign to measure.
The pretreatment conditions are described below:
Supporting electrolyte: KOH 0.1 M
Reduction time: 600 s
Reduction potential: -1.2 V

Packaging: 50 units per pack
Storage: At room temperature, protected from light in a dry place.
Suitable connectors: CAST, I-CAST, CASTDIR, CAC, CAC4MM, DSC, DSC4MM, CAST1X8
Customization options:

The design, geometry, substrate material, size, inks or modification of this reference can be customized under your specifications and produced in large quantities upon request. This modification can also be applied to 4WE and 8WE format SPEs. For more information please contact us at