英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
OsO4查看　OsO4　在百度字典中的解释百度英翻中〔查看〕
OsO4查看　OsO4　在Google字典中的解释Google英翻中〔查看〕
OsO4查看　OsO4　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Osmium tetroxide - Wikipedia
    Osmium tetroxide (also osmium (VIII) oxide) is the chemical compound with the formula OsO 4 The compound is noteworthy for its many uses, despite its toxicity and the rarity of osmium It also has a number of unusual properties, one being that the solid is volatile The compound is colourless, but most samples appear yellow [6]
  • OsO4 (Osmium Tetroxide) for Dihydroxylation of Alkenes – Master Organic . . .
    OsO4 (Osmium tetroxide) is a reagent most commonly used for the formation of syn 1,2-diols (vicinal diols) from alkenes Examples + mechanism below
  • Osmium tetroxide ReagentPlus , 99. 8 20816-12-0 - MilliporeSigma
    Osmium tetroxide (OsO 4) is widely employed as a catalyst in various organic reactions Stereochemical aspects of the OsO 4 assisted oxidation of allylic alcohols and their derivatives have been reported Its reaction with olefins has been investigated
  • Osmium Tetroxide (CAS 20816-12-0) Guidance Procedures
    High acute toxicity; severe irritant of the eyes and respiratory tract; vapor can cause serious eye damage Routes of exposure include skin eye contact, inhalation or ingestion (if swallowed) May cause organ damage (CNS, eyes, skin, kidney) Suspect reproductive hazard
  • Osmium Tetroxide | O4Os | CID 30318 - PubChem
    Osmium tetroxide is an osmium coordination entity consisting of four oxygen atoms bound to a central osmium atom via covalent double bonds It has a role as a NMR chemical shift reference compound, a fixative, an oxidising agent, a poison and a histological dye
  • Osmium Tetroxide | NIOSH | CDC
    Osmium tetroxide (OsO₄) is a colorless, crystalline solid or pale-yellow mass with an unpleasant, acrid, chlorine-like odor Osmium tetroxide is highly poisonous Exposure to osmium tetroxide may cause harm to the skin, eyes, and respiratory system
  • Osmium Tetroxide - Common Organic Chemistry
    Osmium tetroxide (OsO4) is a highly toxic reagent that is typically used to make vicinal diols from alkenes It is soluble in many organic solvents, only moderately soluble in water
  • Osmium tetroxide, 99. 9+%, (trace metal basis) - Fisher Sci
    Shop Osmium tetroxide, 99 9+%, (trace metal basis) at Fishersci com Available in 100 mg
  • OsO4 - Molecule of the Month - Bristol
    Osmium tetroxide, also known as osmium (VIII)oxide, formula OsO 4, is an example of the highest oxidation achieved by a transition element Like methane (CH 4), osmium tetroxide has a tetrahedral geometry with the O-Os-O bond angle (s) approximating 109 5° It is an extremely toxic crystalline solid with a low m p = 40°C and bp = 130°C
  • Lab Safety Guideline: Osmium Tetroxide - Harvard University
    You must review this guideline before working with osmium tetroxide (OsO4) (CAS 20816-12-0) Who is this for? Lab and research staff





中文字典-英文字典  2005-2009