Stefan Scheiblbrandner

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Questions related from Stefan Scheiblbrandner

What kind of ceramic is used for usual porous ceramic frits used for aqeuos reference electrodes?

I need to fabricate small sized AgAgCl reference electrodes with capillaries with IDs of ~1 mm and I'm looking for a supplier selling porous ceramic frits/rods with ODs of ~1 mm. Does anyone know...

12 December 2018 215 4 View

Anyone familiar with unspecific red/ox peaks in cyclic voltammetry of BSA on MWCNT-modified GC electrodes?

Could a Red/Ox peak couple with an E mid of ~460 mV vs SHE measured with bovine serum albumin on a multiwalled carbonnanotube modified glassy carbon electrode be derived from unspecific residues...

09 September 2017 3,272 1 View

Why do i get a peak pair for a thiol-modified gold electrode in cyclic voltammetry?

The CV is supposed to serve as a blank BEFORE enzyme adsorption. The peak pair appears at appr. +340 mV vs SHE. I got it when using 3-mercaptopropionic acid and 4-mercaptophenol in 200 mM...

01 January 2013 2,010 5 View

Any suggestions for pre-treating a Pt-wire working electrode? At the moment I only cycle in 1M H2SO4.

Polishing with alumina suspension is difficult using a 0.1mm diameter wire. I already read about dipping in concentrated nitric acid, but I don't have access to the corresponding reference. At the...

12 December 2012 5,927 2 View