Sample Holder 25 mm x 25 mm

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  • €750.00

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The sample holder (known also as flat specimen holder) is used for holding flat, circular or square/rectangular samples. It enables contacting the sample from the front (e.g. ITO/FTO glass, Monolayer Graphene on SiC, or Boron-Doped Diamond thin film on various substrates) and from the back (e.g. metal specimen, Glassy Carbon plate, Boron-Doped Diamond plate). The nominal aperture is 1cm2, but other value can be provided on request. The large electrical contact with copper foil surface (not being in contact with an electrolyte) ensures optimal current collection by minimizing electrical resistance and unifying current distribution. The rod with electrical connection has a diameter of 6 mm, which makes the sample holder compatible with our voltammetry cells and jacketed cells, as long as it fits in. We may also provide an adapter to install this sample holder in openings larger than 6 mm dia.
The sample holder elements are constructed with materials that are inert to the electrochemical system (PEEK). It well fits aqueous (FKM/EPDM O-Rings) and organic solvent (FFKM O-Rings) electrolyte requirements. The construction is well sealed which prevents the electrolyte to leak inside.

Application note
The sample holder is used largely for corrosion studies. It can be installed in a beaker type cell as well as in testing environments such as open water reservoirs, cans, tanks etc. It can also be used wherever it is necessary to make an electrode using a thin layer of an active material deposited on a flat substrate (conducting or insulating).

Specification
nominal aperture: 1 cm2 (11.3 mm dia.)
*minimum customized aperture: 0.008 cm2 (1 mm dia.)
*maximum customized aperture: 4.9 cm2 (23 mm dia.)
electrical connection diameter (rod): 6 mm
minimum substrate size: 13 x 13 mm2 (square) or 16 mm dia. (circular).
maximum substrate size: 25 x 25 mm2 (square) or 25 mm dia. (circular).
maximum sample thickness: 4 mm
contact type: front or back

*on request

Product includes
1 x chamber
1 x lid
1 x front contact (copper foil)
1 x back contact (copper foil)
1 x rod with electrical connection

Related products
Glassy Carbon plate
FTO/ITO glass
Monolayer Graphene on SiC – 15 mm x 15 mm
Boron-Doped Diamond plate


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