Minor Metals in the Periodic Table
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72
Hf
178.49
Hf - Hafnium (Hafnium Dioxide)
Origin
France, USA, Ukraine, Russia, China
Tariff No.
2825 9080
Quality
|
|
HfO #1 |
HfO #2 |
|
|
HfO2 + ZrO2 |
99.6 |
99.3 |
% min. |
|
ZrO2 |
0.3 |
1.0 |
% max. |
|
SiO2 |
0.03 |
0.05 |
% max. |
|
Fe2O3 |
0.005 |
0.025 |
% max. |
|
Al2O3 |
0.01 |
0.02 |
% max. |
|
TiO2 |
0.005 |
0.1 |
% max. |
|
MgO |
0.005 |
0.1 |
% max. |
|
CaO |
0.035 |
0.07 |
% max. |
|
Losses on ignition |
0.05 |
0.5 |
% max. |
Form
White free flowing powder, -325 mesh size.
Packaging
Poythene bags of net weight 20 KG each, packed in polythene drums or steel drums, wooden crates or fabric sacks.
Lot Size & Tolerance
1 MT (+/- 5%)
Documentation
Standard documentation, as per MMTA Consolidated Regulations, plus detailed packing list and original or photocopy of original producer's quality certificate.
Weighing & Sampling
As per MMTA Consolidated Regulations
Other Notes
Hafnium dioxide is classified as a Dual Use item and import/export is subject to licences and authorization from relevant regulatory authorities such as BERR.
Hafnium Metal Norms
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REACH Consortia
Information will soon be available on the consortia for this metal and its compounds.
..........................................................
Economics and Facts
- USGS report (2009)
- Mining Journal (2008)
- Metal Bulletin report (2007)
Events
37th Anniversary Dinne…
October 12, 2010
Minor Metals Seminar
December 9, 2010
Christmas Lunch 2010
December 16, 2010
