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Plating information

Platinum Plated Titanium

We have standard Platinum Plated Titanium Lab Anodes in stock and ready to ship.

The platinum plated expanded titanium stock is produced by electroplating pure platinum onto the expanded and flattened titanium substrate.  This substrate material is commonly available in thicknesses of 0.035" and 0.060".

In the case of custom fabricated electrode shapes the titanium is fabricated to the customer's specifications and then electroplated with the platinum to the specified thickness.

Due of the porous nature of the platinum deposit the titanium substrate will come into contact with the solution, this may cause anodization of the titanium substrate in which case the electrical conductivity between the substrate and the solution will be maintained by the platinum coating.

This type of electrode should not be used in a solution such as hydrofluoric acid that could dissolve the titanium substrate.

Platinum Plated Expanded Titanium Sheet

Platinum Clad Niobium Mesh

Platinum Clad Niobium

The platinum clad niobium mesh is manufactured from a solid niobium sheet that has  platinum of the specified thickness, (either 125 micro-inches or 250 micro-inches),  mechanically clad to one or both surfaces.  The platinum clad niobium sheet is then "expanded" to form the mesh which has a stiffness that somewhat greater than aluminum window screen.  This leaves the inside edges of the mesh openings as exposed niobium which may be subject to anodization in some solutions, in this case the electrical "throwing power" of the electrode, (electrical conductivity with the solution), is maintained through the platinum cladding which maintains a liquid tight contact with the niobium substrate.

The niobium substrate is less rigid than the 0.030" expanded titanium and usually requires some type of framework to maintain the desired shape.  The niobium substrate is  more conductive than titanium and the niobium under the platinum cladding is less likely to be affected by the solution.

Platinized electrode material is available as;

                  Platinum Plated Titanium                          or                       Platinum Clad Niobium

 

Platinum plated titanium mesh is commonly used as gold plating anode material

Platinum clad niobium mesh can be fabricated into high quality gold plating anodes

   

Sheets of either type of material can be fabricated per customer's specifications with frames and hanging tabs.

e-mail specifications for quote request 

Platinum clad niobium mesh is manufactured in long strips that are 6 inches wide, therefore, this material is most economical when ordered in 6 inch widths with  lengths in 6 inch increments.

Call (800) 515-3131 To Order

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