| 31. | This dramatically reduces the amount of the highly toxic and very expensive osmium tetroxide needed.
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| 32. | In this applications similar dense materials like the more expensive osmium can also be used.
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| 33. | Taube researched ruthenium and osmium, both elements have a high capacity for back bonding.
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| 34. | It can contain osmium, rhodium, iridium, and iron substituting for the ruthenium.
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| 35. | Hydrides of tungsten, chromium, osmium, and molybdenum complexes have also been reported.
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| 36. | Another osmium compound, osmium ferricyanide ( OsFeCN ), exhibits similar fixing and staining action.
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| 37. | Another osmium compound, osmium ferricyanide ( OsFeCN ), exhibits similar fixing and staining action.
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| 38. | In 1898 an Austrian chemist filament made of osmium, which he introduced commercially in 1902.
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| 39. | Sometimes the metal was entirely incombustible, but when alloyed with osmium, it would volatilize.
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| 40. | Osmium ( VIII ) oxide is also used as a stain for lipids in optical microscopy.
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