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Interactive OnLine Periodic Table - Click on the Atomic Symbol to see the Atomic Weight, number, history & physical description. Includes CAS, density, crystal structure, % purity, and particle size for each product
Physical Properties of Elements for Research & Industry
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HAFNIUM

Atomic Symbol

Hf

Atomic Weight

178.49

Atomic Number

72

Electron Configuration

2-8-18-32-10-2

Oxidation States

+4

State of Matter

Solid heavy metal- brittle

Boiling Point

5400 °C

Melting Point

2150 °C

HISTORY, BACKGROUND & USES:
Discovered in 1923 by Dirk Coster and George Charles de Hevesy. Chemically similar to zirconium (40), hafnium is used for nuclear control rods.

PRODUCTS AVAILABLE FROM ATLANTIC EQUIPMENT ENGINEERS:
HAFNIUM
HAFNIUM CARBIDE
HAFNIUM DIBORIDE
HAFNIUM OXIDE
HAFNIUM SILICIDE

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ATLANTIC EQUIPMENT ENGINEERS

13 Foster Street, Bergenfield, NJ 07621
Phone: (800) 486-2436 or (201) 384-5606
FAX: 201-387-0291

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