(n—C12H25NH3)2CuBr4固—固相变动力学的研究 维普资讯 http://www.cqvip.com
产品信息 详细介绍 详细介绍 产品名称:十二烷基硫酸钠标准滴定溶液,c(C12H25NaO4S)=0.004mol/L(0.004N) 产品品牌:ANPEL 规格型号:500ml 货号:CHAA-A-860004-01-500ml 可电话联系,了解更多详情 厂商推荐产品 正己烷了解详情 16种邻苯二甲酸酯混标(GB5009.271-2016)了解详情 ...
Mass spectroscopic analysis revealed that Pd clusters passivated by thiolates and the stoichiometric thiolate complexes, Pdn(SR)2n (n=5,6), are formed in the reactions between palladium chloride and n-alkanethiols (RSH: R=n-C18H37, n-C12H25) in toluene. The Pd clusters thus formed...
CAS No.71752-67-5 Molecular FormulaC12H25N3O2 Molecular Weight243.40 PSA76.75000 LogP4.09310 PubChemID135505 Synonyms N-ニトロソ-ウンデシル尿素; N-NITROSO-UNDECYLUREA; N-NITROSO-UNDECILUREA; N-NITROSO-UNDECYLURÉE; CTK5D4986; DTXSID60221976; nitroso-n-undecylurea; View More71752...
Provied information about 1-Propanamine, N,N-bis(oxiranylmethoxy)-3-(trimethoxysilyl)-(Molecular Formula: C12H25NO7Si, CAS Registry Number:142177-49-9 ) ,Boiling Point,Melting Point,Flash Point,Density, Molecular Structure,Risk Codes,Synthesis Route at
答案:20-1、解:尿素的相对分子质量为:-|||-12+16+(14+2)×2=60答案:20-2、解:尿素中碳元素、氮元素、氧元素和氢元素的质量比为:-|||-12:28:16:4=3:7:4:1答案:20-3、解:尿素中氮元素的质量分数为:-|||-28-|||-×100%=46.7%-|||-6答案:20-4、解:50kg尿素中氮元素的质量为:...
经检测,毒豆芽中含有亚硝酸钠、尿素、恩诺沙星、6﹣苄基腺嘌呤激素.其中,人食用含亚硝酸钠的食品会致癌;恩诺沙星是动物专用药,禁止在食品中添加.已知6﹣苄基腺嘌呤激素为白色或类白色晶体,化学式为C12H11N5.请回答:(1)6﹣苄基腺嘌呤中C、H、N元素的质量比为 。(2)6﹣苄基腺嘌呤中氮元素的质量分数为 。
百度试题 题目短暂性脑缺血发作TIA后神经功能完全恢复的时间最长不超过 A. 1h\n B. 6h\n C. 12h\n D. 24h\n E. 36h 相关知识点: 试题来源: 解析 D.24h\n 反馈 收藏
463943-12-6 Basic Information Chemical NameGlycine, N-(aminoiminomethyl)-N-methyl-, mono(6,8-dimercaptooctanoate) (9CI) CAS No.463943-12-6 Molecular FormulaC12H25N3O4S2 Molecular Weight339.47 View More463943-12-6 Properties Related Products ...
Chemical NameEthanaminium, 2-amino-N-(2-(((2Z)-3-carboxy-1-oxo-2-propenyl)oxy)ethyl)-N,N-dimethyl-2-oxo-, dodecyl sulfate, polymer with 2-ethylhexyl 2-propenoate, ethyl 2-propenoate, methyl 2-propenoate, and 2-propenoic acid CAS No.71850-70-9 Molecular Formula(C12H25O4S.C11H20O2...