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Polarography

Methods IAAC, Röhr / Kurz

Polarography Model: Metrohm VA 797 Computrace
Unit and Room: Chemie II, Room 035
Responsible: S. Zuelsdorf
Electrochemistry
Further information: instrument handbook

Short Description:

Qualitative and quantitative analysis of redox active compounds by current-voltage measurements in an electrochemical cell.

Picture of the Equipment

Polarography
 

Available Experiments/Techniques:

Polarography on a renewed dropping mercury electrode (DME) or static mercury drop electrode (SMDE);
Voltammetry on a hanging mercury drop electrode (HMDE) or a glassy carbon electrode (CGE);
manual sample injection;
quantification by standard addition.

Special Equipment:

Metrohm (mercury) multi-mode electrode, glassy carbon electrode
 
Measurements on the equipment are currently done by: Students after introduction
 
Recent Publications, where this instrument was
important (citation):

 
Typical problems that may be solved with this instrument: vitamin C in food samples; trace metal cations (e.g. Ni, Cu, Zn, Pb, Cd, U) in beverages; Fe(II)/(III) species analysis

 

pdficon.gif Polarography (this page as a pdf file)

 

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