Minor Metals in the Periodic Table

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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

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Economics and Facts

  1. USGS (various)
  2. Hard Assets Investor (2010)
  3. Metal Bulletin (2007)
  4. Mining Journal (2005)

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  1. REACH Consortia

    Information will soon be available on the consortia for this metal and its compounds.

 

 
 

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