Platinum rhodium wire is used as a catalyst in preparation of nitric acid and in rayon spinnerets. It is used as a device for measuring high temperatures. It serves as a catalyst in the oxidation of the ammonia by atmospheric oxygen to produce nitric oxide, through Haber process.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.