Minor Metals in the Periodic Table
Please select an element to find out more
41
Nb
92.9064
Nb - Niobium (Columbium) (Nickel-Niobium (Vacuum Grade))
Origin
Brazil, Estonia, Germany
Tariff No.
8112 7231
Quality
| Nb | Balance | |
| Ni | 50 | % min. |
| C | 1000 | ppm max. |
| Si | 1000 | ppm max. |
| P | 100 | ppm max. |
| S | 50 | ppm max. |
| O | 1000 | ppm max. |
| N | 300 | ppm max. |
| Al | 15000 | ppm max. |
| Fe | 5000 | ppm max. |
| Cu | 200 | ppm max. |
| Zn | 30 | ppm max. |
| Ta | 1000 | ppm max. |
| Ag | 10 | ppm max. |
| Sn | 50 | ppm max. |
| Pb | 10 | ppm max. |
| Ti | 140 | ppm max. |
| Bi | 5 | ppm max. |
| B | 50 | ppm max. |
| As | 10 | ppm max. |
| Se | 10 | ppm max. |
| W | 100 | ppm max. |
| Mn | 500 | ppm max. |
| Co | 100 | ppm max. |
| Cr | 3000 | ppm max. |
| Hf | 300 | ppm max. |
| Mo | 100 | ppm max. |
| V | 300 | ppm max. |
| Cd | 10 | ppm max. |
| Ga | 75 | ppm max. |
| In | 50 | ppm max. |
| Sb | 10 | ppm max. |
| Te | 5 | ppm max. |
| Tl | 5 | ppm max. |
Form
Lumps 2-inch (3.08cm) x down.
Packaging
In original producer's drums
Lot Size & Tolerance
5 MT (+/- 2%)
Documentation
Standard documentation per MMTA Consolidated Regulations, plus detailed packing list and producer's original, or photocopy of, producer's quality certificate.
Weighing & Sampling
Per MMTA Consolidated Regulations
Other Notes
Historically referred to as Ferro-Columbium in the Americas.
Niobium (Columbium) Metal Norms
..........................................................
Economics and Facts
- USGS (various)
- Hard Assets Investor (2010)
- Metal Bulletin (2007)
- Mining Journal (2005)
..........................................................
-
REACH Consortia
Information will soon be available on the consortia for this metal and its compounds.

