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Optical glass lens; lanthanum and cerium are used in optical glass and glass polishing

Lanthanum and cerium

Lanthanum and cerium oxides and carbonates from verified producers, for catalyst, glass and battery makers.

Lanthanum oxideLa2O3 99.99% minimum of TREO
PackingBags inside steel drums, or bulk bags
DeliveryFOB, CIF, DAP
InspectionIndependent, at loading

Lanthanum and cerium: typical specification

Indicative
Lanthanum oxide
La2O3 99.99% minimum of TREO
Cerium oxide
CeO2 99.95% minimum of TREO
Carbonates
By TREO content, as agreed
Packing
Bags inside steel drums, or bulk bags
Pricing basis
Per kg or per tonne, fixed

Typical specification for reference. The binding specification for each lot is the producer certificate of analysis and the contract.

Export controls and complianceRare earth export rules change often. We confirm the current licence position and sanctions screening before any deal proceeds.

Delivery terms

FOBBuyer arranges the vessel and takes title at the load port.
CIFSeller arranges freight and insurance to the buyer discharge port.
DAPDelivered to an agreed place in the buyer country, import duties excluded.

Documents supplied

Certificate of analysisCertificate of originIndependent inspection and weight certificatePacking listBill of lading

Inspected at loading. Paid against documents.

Independent inspection by SGS, Bureau Veritas, Intertek or an equivalent accredited surveyor, with payment by documentary letter of credit.

About lanthanum and cerium

Lanthanum and cerium are the most abundant rare earths. Lanthanum is used in refinery catalysts, optical glass and nickel metal hydride batteries. Cerium is used in glass polishing powders and vehicle exhaust catalysts.

They are traded as oxides, carbonates and mixed lanthanum-cerium products, with purity set to the end use.

Frequently asked questions

What purity do I need?

Polishing and catalyst uses often accept lower purities. Optical glass and electronics need 99.99% or higher. Tell us the end use and we will match the grade.

Do you supply mixed lanthanum-cerium products?

Yes, as oxide or carbonate, where the end use does not need separated elements.

How is payment usually made?

By documentary letter of credit from a bank acceptable to the seller, with payment against shipping documents and the inspection certificate.

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Do not see what you need?

If it is traded physically, we can source it. Tell us the specification, volume and delivery terms.

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