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Platinum-group metal (PGM)
Do you have rhodium metal, platinum-rhodium (Pt-Rh) wire, thermocouple components, contacts, coatings, laboratory or industrial catalyst material, or other traceable Rh-bearing streams? Send photos, weight, provenance and available assay data. Actual Rh loading and material form determine how the lot should be assessed.

Lot types
Rhodium is an extremely rare platinum-group metal. It is more commonly used as an alloy, catalytically active material or thin functional layer than as a large solid component. Gross weight can therefore be a poor indicator of rhodium content.
Material & application
Rhodium is widely used as a catalyst and in platinum-rhodium alloys, including thermocouples and high-temperature applications. It is also well known from automotive catalysts, where it helps reduce nitrogen oxides.
Catalyst carriers and coated components require a different assessment from solid metal. PGM loading, carrier, homogeneity and representative sampling matter more than a simple surface XRF reading. Traceable provenance is always important with PGM-bearing catalyst material.
Identification
With solid Pt-Rh alloys, XRF can provide indicative information on PGM proportions. Porous catalyst carriers, powders, coatings and low Rh loadings often require representative laboratory assay to establish recoverable content.
Retain grade, thermocouple type, spool or batch information, certificate, manufacturer details and previous assay. Such information can remove substantial uncertainty.
For solid Pt-Rh alloys, handheld XRF can support indicative elemental analysis. With thin catalytic coatings or materials on complex substrates, a surface reading is not automatically representative of total rhodium content; representative sampling or laboratory analysis may be needed.
Offer a lot
Send clear photos of the lot, markings, carrier and any packaging
State weight, quantity, material form and location
Include Pt/Rh ratio, certificate, assay or known application
Keep catalyst material and PGM alloys segregated and document provenance
Valuation
Rhodium has high value per quantity of metal, but a Rh-bearing product may contain only a small amount of rhodium. We therefore assess recoverable content, carrier and assay certainty rather than publishing a generic price per kilogram of product.
Actual Rh loading or Pt/Rh ratio is the primary value factor.
Solid Rh, Pt-Rh wire, coating and catalyst carrier require different routes.
Non-homogeneous catalyst materials can require representative sampling.
Provenance and documentation are important with valuable PGM streams.
Ceramic, metallic carrier, process residues and other PGMs affect net recovery.
Small high-value lots can be relevant, although assay costs must be considered.
Practical questions
Traceable Pt-Rh wire, thermocouple materials and similar industrial parts can be submitted. Provide type, ratio or certificate where known.
On suitable solid Pt-Rh alloys XRF can provide indicative information. For catalyst carriers, coatings and low loadings, representative laboratory assay is often more important.
No. Carrier, PGM loading, Rh/Pt/Pd ratio, contamination and homogeneity vary widely. A fixed per-kilogram price for catalyst material would therefore be unreliable.
PGMs are highly valuable and occur in many forms. Clear commercial provenance, certificates and part numbers support both correct identification and proper commercial handling.
Related materials
Offer material
Send photos, weight, provenance and any known information about Pt/Rh ratio, coating or catalyst loading. With complex carriers, we first determine what assay is needed before a commercial indication is meaningful.