The ReactorCell is a universal flow cell, ideally suited for oxidation, reduction and/or activation of compounds that pass through the cell. For single component analysis, the cell can be used in infusion mode by simply connecting it to a syringe pump for direct EC/MS experiments. For multi-component analyses, the electrochemical cell can be positioned after the (U)HPLC system to perform LC/EC/MS experiments on the separated sample. The cell is controlled via the ROXY Potentiostat while the flow rate and working potential can be optimized using the Dialogue software or dedicated MS software, e.g., XCalibur.
Schematics ReactorCell set-up:
Direct infusion mode, i.e., EC/MS (A) and post-column separation mode, i.e., LC/EC/MS (B). Typical flow rates 5 to 20 μL/min.
The ReactorCell is based on a thin-layer flow cell concept, comprising of a very smooth working electrode surface over which the sample is flowing. This results in virtually zero sample adsorption unlike porous flow through electrodes which are prone to adsorption and carry over. The cell can be disassembled within seconds for easy cleaning of the working electrode and cell compartment.
Schematics ReactorCell with expanded view of the thin-layer flow path. The cell includes an auxiliary electrode block with inlet/outlet (top), working electrode (bottom) and 50 µm spacer, volume approx. 0.7 μL.
The ReactorCell is supplied with 4 working electrodes, Pt, Au, Glassy Carbon (GC), and Magic Diamond (MD), which can be quickly and easily exchanged. GC is the workhorse and electrode of choice for oxidation reactions up to 2 V. For voltages > 2V, MD a conductive diamond electrode is recommended as it can be used up to 4V. Pt and Au are typically employed for specific reactions such as hydroxylation or N-oxidation.
Working electrode holder (assembly) with supplied electrodes: Pt, AU, GC and MD (left to right).
|Specifications ReactorCell (Universal Starter Cell)
|Cell Type||Three electrode, thin-layer reactor cell|
|Cell volume||approx. 0.7 μL (50 μm spacer) , 1.5 μL (100 μm spacer)|
|Spacers||50 μm, stackable|
|Working electrode diameter||8 mm|
|Working electrode area (wetted)||15 mm2|
|Working electrodes (WE)||Included: Glassy carbon (GC) , Magic DiamondTM (MD),gold (Au), platinum (Pt), Optional: semi-precious metalreducing electrode (SPM), silver (Ag) and copper (Cu)|
|Reference electrode||HyREF™ (Pd/H2)|
|Auxiliary electrode||Carbon-loaded PTFE|
|Wetted materials||PCTFE, FEP, Palladium, carbon-loaded PTFE, WE material(Au or Pt, GC, MD, SPM, Ag, Cu)|
|Flow rate||Typically 5 – 20 μL/min|
|Max. pressure||40 psi / 2.8 bar|
|Fluidic connections||1/16” o.d. PEEK tubing, with 10-32 PTCFE fingertightconnections|
|Electric connections||Cell cable for use with ROXY Potentiostat|
|210.0040||ReactorCell kit consisting of: ReactorCell, spacers,reference electrode (HyREF) and working electrodes:Magic Diamond (MD), Glassy Carbon (GC), Pt and Au(each 1 x).
||HyREF reference electrode|
|210.2217||Spacer 50 μm|
|210.5007||Glassy Carbon (GC) working electrode|
|210.5010||Semi-Precious Metal (SPM) reducing electrode|
|210.5022||Platinum (Pt) working electrode|
|210.5032||Silver (Ag) working electrode|
|210.5037||Copper (Cu) working electrode|
|210.5050||Magic Diamond (MD) working electrode|