osmium tetroxide การใช้

• ABC suggested that osmium tetroxide would cause victims to choke to death.
• The cells are black as a result of the effects of osmium tetroxide.
• The most common compound exhibiting the + 8 oxidation state is osmium tetroxide.
• "' 5, 6-Dihydroxycytosine "'can be formed from treatment of DNA with osmium tetroxide.
• This eliminated the need to use osmium tetroxide, a rare, expensive, and dangerous chemical.
• This method involves adding a high concentration of formamide to a osmium tetroxide fixative.
• He improved fixation methods, for instance, his solution of potassium dichromate and osmium tetroxide.
• Osmium powder has the characteristic smell of osmium tetroxide.
• This dramatically reduces the amount of the highly toxic and very expensive osmium tetroxide needed.
• The osmium tetroxide molecule is tetrahedral and therefore non-polar.
• This uses a catalytic loading of osmium tetroxide which is regenerated in situ by the periodate.
• Osmium tetroxide is rapidly reduced to relatively inert compounds by polyunsaturated vegetable oils, such as corn oil.
• Manganese is also used in dihydroxylation and is often chosen when osmium tetroxide methods yield poor results.
• Osmium tetroxide boils at 130 皁xidizing agent.
• Osmium tetroxide has been used in fingerprint detection and in staining fatty tissue for optical and electron microscopy.
• Since osmium tetroxide is expensive and toxic, other metals have been used to prepare vicinal diols from olefins.
• It may be prepared by the reaction of osmium tetroxide with hydrobromic acid, followed by zinc and cyclopentadiene.
• It involves the local administration of osmium tetroxide ( OsO 4 ), which is a highly toxic compound.
• Osmium tetroxide is highly volatile and penetrates skin readily, and is very toxic by inhalation, ingestion, and skin contact.
• Prior to this method, use of stoichiometric amounts of the toxic and expensive reagent osmium tetroxide was often necessary.