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Hafnium (Hf)
Found in all minerals containing zirconium, hafniu ([Xe]4f145d26s2) (CAS 7440-58-6) is a ductile metal with a brilliant silver luster. It is strong and extremely corrosion resistant. Zirconium and hafnium's chemistry are virtually identical (except that hafnium's density is twice that of zirconium) and therefore, are extremely difficult to separate. Hafnium's properties are significantly influenced by the zirconium impurities present.
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Hafnium pieces, 3-12mm (0.12-0.47in), 99.9% (metals basis excluding Zr), Zr nominal 2%, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Hafnium powder, -325 mesh, 99.6% (metals basis excluding Zr), Zr nominal 2-3.5%, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Hafnium wire, 1.0mm (0.04in) dia, 99.95% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Hafnium wire, 0.25mm (0.01 in.) dia., 99.97% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Hafnium crystal bar milled chips, 99.7% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Hafnium foil, 1.0mm (0.04in) thick, annealed, 99.5% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Hafnium foil, 0.025mm (0.001in) thick, 99.5% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Hafnium foil, 0.75mm (0.03in) thick, 99.5% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Hafnium foil, 0.25mm (0.01in) thick, annealed, 99.5% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Hafnium wire, 1.57mm (0.0618in) dia, 99.7% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Hafnium wire, 0.5mm (0.02in) dia, 99.95% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Hafnium powder, -60+325 mesh, 99.6% (metals basis excluding Zr), Zr nominal 2-3.5%, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Hafnium wire, 2.0mm (0.08 in.) dia., 99.7% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Hafnium rod, 6.35mm (0.25in) dia, 99.9% (metals basis excluding Zr), Zr nominal 3%, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
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Primary XPS region: Hf4f Overlapping regions: O2s Binding energies of common chemical states:Binding energies of common chemical states:, If analyzing nitrided hafnium oxide or silicate, collect entire Hf4p region (up to 490eV), making sure both Hf4p3/2 and Hf4p1/2 components are acquired.
Geochronology involves understanding time in relation to geological events and processes. Geochronological investigations examine rocks, minerals, fossils and sediments. Absolute and relative dating approaches complement each other.