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Reflectivity reaches a sharp minimum at around 1.5 eV (near-infrared) for the c-parallel polarization and at 2.0 eV (orange) for the c-perpendicular polarization, and peaks for both in the visible spectrum at around 3.0 eV (blue-violet). [16] Osmium is a hard but brittle metal that remains lustrous even at high temperatures
This is a list of prices of chemical elements.Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison.
Osmium (76 Os) has seven naturally occurring isotopes, five of which are stable: 187 Os, 188 Os, 189 Os, 190 Os, and (most abundant) 192 Os. The other natural isotopes, 184 Os, and 186 Os, have extremely long half-life (1.12×10 13 years and 2×10 15 years, respectively) and for practical purposes can be considered to be stable as well.
187 Os 1.96% stable: 188 Os 13.2% stable 189 Os ... [kg/m3 at s.t.p.] Density [g/cm3 near room temperature] [g/cm3 near r.t.], #2 [g/cm3 near r.t.], #3 ...
Osmium compounds (1 C, 26 P) I. Isotopes of osmium (65 P) Pages in category "Osmium" The following 5 pages are in this category, out of 5 total.
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Osmium(I) iodide is a metallic grey solid produced by the reaction of osmium tetroxide and hydroiodic acid heated in a water bath for 48 hours in a carbon dioxide atmosphere. It is an amorphous compound. [34] Osmium(II) iodide is a black solid [35] produced by the reaction of osmium tetroxide and hydroiodic acid at 250 °C in nitrogen: [34]
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