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Element Germanium, Ge, MetalloidAll about Element Germanium, Ge, Metalloid
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All about Element Germanium, Ge, Metalloid
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Element Germanium, Ge, Metalloid | germanium.atomistry.com Reviews
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All about Element Germanium, Ge, Metalloid
germanium.atomistry.com
Germanium Production
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By-products of nonferrous metals, products of coke process and coal ash are used as raw feedstock for obtaining germanium. After concentration by flotation or magnetic methods germanium concentrate is processed by pyrometallurgical methods at 800-1800°C, in reducing atmosphere ( C. And in the presence of S. Or alkali-earth metals sulphates. Germanium completely or partially passes into gaseous phase as Ge. Which then are trapped with other volatile components and dust. Solution. Germanium concentrate.
Germanium Isotopes
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Germanium stable isotope number 1. Germanium stable isotope number 2. Germanium stable isotope number 3. Germanium stable isotope number 4. Germanium radioactive isotope number 1. 2β -;. 5613408E 28s ≈ 1.780000e 21 y;. Germanium radioactive isotope number 1. Germanium radioactive isotope number 2. Germanium radioactive isotope number 3. 003s ≈ 30.00 ms;. Germanium radioactive isotope number 4. Epsilon; : 100.00 %. Epsilon; p 80.00 %;. 0039s ≈ 39.00 ms;. Germanium radioactive isotope number 5. Beta; - : 1...
Germanium Ionization Energy
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The Germanium Ionization Energy. Is the energy required to remove from atom one mole of electrons with subsequent production of positively charged ion of Germanium. This process can be repeated many times, but the energy cost is increased dramatically. The general equation for the Germanium is:. 7621 kJ/mol = 182.32 Kcal/mol. 1537 kJ/mol = 367.70 Kcal/mol. 3302 kJ/mol = 789.95 Kcal/mol. 4410 kJ/mol = 1055.02 Kcal/mol. 9020 kJ/mol = 2157.89 Kcal/mol. 11900 kJ/mol = 2846.89 Kcal/mol.
Physical Properties of Germanium
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Atomic Weight, History. Physical Properties of Germanium. Temperature ° C. 0°-301.5°. The most intense lines in the spectrum of germanium are as follow:. Arc: 2592.64, 2651.28, 2651.69, 2691.45, 2709.70, 2754.69, 3039.22, 3269.62. Spark: 2592.65, 2651.29, 2651.69, 2709.69, 2754.68, 3039.20, 4179.20, 4226.76.
Germanium Applications
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Resistance of one cube centimeter of germanium. At 18°C equals 72 Ohm. At 19°C it decreases until 68 Ohm. Such significant resistance changes while insignificant variation of temperature is typical for semiconductors. While temperature grows the resistance usually falls. It may be strongly changed by radiation, mechanical deformations etc. When an element of 5. Is applied in such fields of modern technology as low temperature thermometers, infrared detectors etc. For achieving this goal.
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Element Germanium, Ge, Metalloid
Element Germanium, Ge, Metalloid. Matched those of the eka-silicon whose existence had been predicted in 1871 by Dmitri Mendeleev. Germanium's crustal abundance is 7×10. By mass, more than that of Antimony, Silver and Bismuth. However germanium's ores are very rare, this element is found in germanite Cu. Argyrodite (sulfide of germanium and silver Ag.
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