Send clear photos
First send photos of the material, packaging, labels and any markings
Platinum-group metal (PGM)
Do you have traceable osmium as solid metal, an osmium-iridium alloy, technical component, contact material or another solid PGM lot? First send photos, weight, origin and any available material information. With osmium, material form and safety are explicitly part of the initial assessment.

Lot types
Osmium is a platinum-group metal that occurs only in small and highly specialised material streams. Reliable provenance and a clearly identified physical form are therefore essential before a commercial route can be determined.
Material & application
Metallic osmium is an extremely dense, hard platinum-group metal used in very wear-resistant alloys and specialised contact materials. Its commercial material streams are much smaller than those of platinum, palladium or rhodium.
A crucial safety distinction is osmium tetroxide (OsO₄), a volatile and highly toxic compound. Unknown osmium-bearing material should therefore not be ground, heated or chemically treated as an identification test. For powders, oxides, chemicals or unknown laboratory residues, provide SDS/safety information and provenance first.
Identification
Osmium cannot be reliably distinguished from other grey metals by sight. Instrumental analysis can support assessment of suitable solid homogeneous alloys, while low PGM concentrations, coatings and complex matrices often require specialised assay.
Incorrect identification of a valuable PGM lot can have major commercial consequences. Markings, certificates, assay data, application and provenance should therefore remain with the material wherever possible.
On suitable solid samples, handheld XRF can indicate osmium. The reading does not, however, automatically establish the chemical form or safe handling route for unknown material. With powders, compounds or suspicious residues, the appropriate analytical and safety route should be determined first.
Offer a lot
First send photos of the material, packaging, labels and any markings
State weight, quantity, physical form and storage location
Include certificates, assay, SDS or provenance documents where relevant
Do not heat, grind or chemically test unidentified osmium-bearing material
Valuation
The value of an osmium-bearing lot cannot be inferred from weight and appearance alone. Content, chemical form, alloy, contamination, assay cost and recovery route can differ substantially.
Pure metal and a low Os percentage in an alloy are commercially very different.
Solid metal, alloy, oxide, powder and chemical compound require different handling.
Origin, certificates and assay are particularly important for this rare PGM.
Unknown or reactive forms may require a safety review before any commercial assessment.
Mixing with other PGMs or base metals affects analysis and refining route.
Even small quantities can be relevant, but the net recovery route must be economically viable.
Practical questions
No. Osmium tetroxide is a volatile, highly toxic chemical compound and is not treated as normal metal scrap. Contact us first with SDS and provenance information for any chemical compound.
No. Avoid grinding, heating or chemical testing of unknown osmium-bearing material. Send photos and documentation and establish a safe next step first.
On suitable solid material XRF or other instrumental analysis may support identification. Low concentrations, coatings and complex PGM matrices may require laboratory assay.
No. They are separate platinum-group metals. They can occur together in alloys but have distinct compositions and values.
Related materials
Offer material
First send photos, weight, physical form, provenance and any available assay or safety documentation. For powders, oxides or chemical compounds, always discuss the material before moving or processing it.