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Due to their high electrical conductivity and resistance to corrosion, platinum and platinum/iridium alloys are particularly suitable electrode materials. Electrodes are therefor commonly made of pure platinum or platinum 90% / iridium 10%. IAM Drijfhout provides standard electrodes of the types Fischer, Winkler, Wölbing and Schöniger. Other designs can also be produced custom made.
Fischer electrodes consist of an inner and an outer gauze cylinder. Fischer electrodes are sandblasted to increase the wire surface which makes these electrodes suitable for rapid tests with high current densities in stirred or still electrolyte solutions.
| Net (M/cm²) | 225 | 100 |
| Diameter wire (mm) | 0,12 | 0,25 |
| Outer cylinder – diameter (mm) | 38 | 38 |
| Outer cylinder – height (mm) | 50 | 50 |
| Inner cylinder- diameter (mm) | 33 | 33 |
| Inner cylinder – height (mm) | 40 | 40 |
| Length (mm) | 200 | 200 |
| Weight (gram) | 33 | 41 |
| Design | light | heavy |
Winkler electrodes consist of a slit gauze cylinder containing a concentrically wound wire spiral. It is most suitable for applications such as electrogravimetric identification of copper (Cu) and zinc (Zn).
| Net (M/cm²) | 225 | 100 | |
| Diameter wire (mm) | 0,12 | 0,25 | 1,1 |
| Cylinder – diameter (mm) | 35 | 35 | |
| Cylinder – height (mm) | 50 | 50 | 46 |
| Length (mm) | 150 | 150 | 150 |
| Weight (gram) | 15 | 21 | 5,5 |
| Design | light | heavy | spiral |
Wölbing electrodes are a gauze cylinder which is fixed to the central rod at the top and bottom via a solid cross.
| Net (M/cm²) | 100 | 100 | 100 | 100 | 100 | 100 |
| Diameter wire (mm) | 0,25 | 0,25 | 0,25 | 0,25 | 0,25 | 0,25 |
| Cilinder – diameter (mm) | 18 | 18 | 30 | 30 | 45 | 45 |
| Cylinder – height (mm) | 40 | 40 | 40 | 40 | 50 | 50 |
| Length (mm) | 150 | 150 | 150 | 150 | 150 | 150 |
| Weight (gram) | 15 | 16 | 20 | 22 | 35 | 37 |
| Design | solid | hollow | solid | hollow | solid | hollow |
Schöniger electrodes are made of U-shaped pure platinum wire mesh. Primary applications include quick tests for halogen and sulfur.
| Net (M/cm²) | 16 |
| Diameter wire (mm) | 0,75 |
| Width (mm) | 10 |
| Height (mm) | 10 |
| Length (mm) | 40 |
| Weight (gram) | 3 |
Many designs can be produced on request. Think of round, square, rectangular or cylindrical. In addition to size, alloy and mesh density are also among the customization possibilities.
For example, IAM Drijfhout has supplied the custom-made electrode below based on the simple sketch below.
– Fast and flexible
– Quality
– No minimum order value
– Customized products
– Reliable and precise
– Recycling service
IAM Drijfhout also produces electrodes on request according to specific dimensions and/or technical drawings. Feel free to contact us for more information or a quote. IAM Drijfhout tries to provide the best possible expert advice in a personal way.
