Tantalum-bearing concentrates
Often described commercially as coltan. Specify Ta₂O₅ and associated Nb₂O₅ content, impurities, and the source of the assay.
TIN / TANTALUM / TUNGSTEN / MATERIAL 73
Tantalum
Tantalum-bearing concentrates need precise chemistry and clear chain-of-custody information. Concentrate proposals should specify tantalum and niobium content separately.
01 / PRODUCT FORMSDefine the form
Define the form
before the terms.
The descriptions below frame an enquiry. Share the actual technical specification and supporting documents for the material required or offered.
Other specified tantalum material
State the exact form and chemistry. Do not assume that a concentrate specification applies to an intermediate or refined product.
02 / SPECIFICATIONThe details
The details
that matter.
Include the following information in your initial material brief.
- Ta₂O₅ and Nb₂O₅ assay
- Impurities and relevant radiological screening
- Origin and chain-of-custody documentation
- Sampling, inspection, and lot identification
03 / COMMERCIAL DISCUSSIONA requirement.
A requirement.
Or a supply opportunity.
Choose the enquiry that matches your role. The material will be preselected in the trade enquiry form.
Define the requirement.
Share the form, chemistry, application, quantity, destination, and preferred delivery timing.
Buyer enquiryDescribe the offered lot.
Identify the producer, origin, your authority to sell, assay, current location, and supporting records.
Supplier proposal