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Cobalt Metal- Broken Cathode / Cathodes- 125 grams Purity- 99.98, US $19.95 – Picture 0
Cobalt Metal- Broken Cathode / Cathodes- 125 grams Purity- 99.98, US $19.95 – Picture 0

Cobalt Metal- Broken Cathode / Cathodes- 125 Grams Purity- 99.98

US $19.95

  • Louisville, Kentucky, United States
  • Jan 30th
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Cobalt Metal- Broken Cathode / Cathodes- 99.998 Purity- 125grams 99.98% Purity Cobalt Cobalt is a brittle, hard, transition metal with magnetic properties similar to those of iron. Cobalt is present in meteorites. Cobalt is used in the preparation of magnetic, wear-resistant, and high-strength alloys. Cobalt blue (cobalt(II) aluminate, CoAl2O4) gives a distinctive deep blue color to glass, ceramics, inks, paints, and varnishes.      Symbol: Co (Cobalt) Atomic Number: 27 Atomic Weight: 58.9332 Element Classification: Transition Metal Discovered By: George Brandt Discovery Date: 1739 (Sweden) Name Origin: German: kobold (goblin). Density (g/cc): 8.9 Melting Point (°K): 1768 Boiling Point (°K): 3143 Appearance: Hard, ductile, lustrous bluish-gray metal Atomic Radius (pm): 125 Atomic Volume (cc/mol): 6.7 Covalent Radius (pm): 116 Ionic Radius: 63 (+3e) 72 (+2e) Specific Heat (@20°C J/g mol): 0.456 Fusion Heat (kJ/mol): 15.48 Evaporation Heat (kJ/mol): 389.1 Thermal Conductivity (@25°C W/m K): Debye Temperature (°K): 385.00 Pauling Negativity Number: 1.88 First Ionizing Energy (kJ/mol): 758.1 Oxidation States: 3, 2, 0, -1 Electronic Configuration: [Ar] 3d7 4s2 Lattice Structure: Hexagonal (HEX) Lattice Constant (A): 2.510 Lattice C/A Ratio: n/a *size approx - all irregular shaped pieces of various dimension & thickness **weight approx of this particular sale ~ as stated in the title
Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...
Brand UPI Metals

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