搜索结果: 1-15 共查到“Fe II”相关记录26条 . 查询时间(0.198 秒)
针对污水处理厂剩余污泥脱水困难的问题，采用Fe2+活化过硫酸钾高级氧化法提高剩余污泥脱水性能，使用污泥含水率和污泥比阻对调理前后污泥脱水效果进行分析；研究了过硫酸钾投加量、Fe2+投加量、pH和反应时间对污泥调理效果的影响；探究了过硫酸盐调理污泥过程中溶解性有机物质和胞外聚合物(extracellular polymeric substance，EPS)的变化特性。结果表明：过硫酸钾调理的最佳反应...
中国科学院合肥物质科学研究院等发现纳米氧化铁表面Fe（II）/Fe（III）循环增强电化学分析行为机制（图）
中国科学院合肥物质科学研究院 纳米氧化 铁表面Fe（II）/Fe（III） 循环增强 电化学分析 行为机制
2018/3/29
近日，中国科学院合肥物质科学研究院合肥智能机械研究所黄行九研究团队，与华中师范大学教授张礼知合作，利用X-射线光电子能谱(XPS)结合扩展X-射线吸收精细结构谱(EXAFS)，深入研究哑铃状Au/Fe3O4纳米颗粒表面的活性Fe(II) 以Fe(II)/Fe(III)循环形式参与到待测物的氧化还原反应中，从而增强电化学分析行为的检测机制。相关成果发表在Analytical Chemistry杂志上...
近期，中国科学院智能所黄行九研究团队与华中师范大学张礼知教授合作，利用；(XPS)结合扩展X-射线吸收精细结构谱(EXAFS)，深入研究了哑铃状Au/Fe3O4纳米颗粒表面的活性Fe(II) 以Fe(II)/Fe(III)循环形式参与到待测物的氧化还原反应中，从而增强电化学分析行为的检测机制。相关成果发表在美国化学会的Analytical Chemistry杂志上(Analytical Chemi...
纤维水镁石中同时存在有不同价态的Fe即Fe(II)与Fe(III),这对开展水镁石相关研究具有重要意义。而不同价态Fe含量测定过程中存在Fe(II)在空气中易氧化成Fe(III)而导致测定不准确的问题。针对该问题,实验采用厌氧培养箱作为操作环境,对纤维水镁石的处理均在厌氧条件下进行。利用邻菲罗啉与经盐酸羟胺还原产生的总Fe(II)显色反应原理测定纤维水镁石中的总Fe,之后测定过程中不加盐酸羟胺与邻...
Improvement of Fe(Ii)-Adsorption Capacity of Feooh-Coated Brick in Solutions, and Kinetics Aspects
Brick Ferrous Ion Iron Oxyhydroxide Acid Activation Adsorption Kinetics Activation Energy Water Treatment
2013/3/19
The adsorbent, iron oxy-hydroxide coated brick, was used in the present work for removal of iron(II) from aqueous solutions. The adsorption performances of this composite were significantly improved w...
Fe ii fluorescence in symbiotic stars。
Fe II in the orion nebula：spectroscopic observations and theoretical models
Fe II spectroscopic observations orion nebula
2009/6/11
Fe II in the orion nebula：spectroscopic observations and theoretical models。
The reduction of chromate ions by Fe(II) layered hydroxides
chromate ions Fe(II) layered hydroxides
2009/5/27
The reduction of chromate ions by Fe(OH)2 and the iron (II)-iron (III) hydroxysulphate green rust, GR(SO42-), was studied to evaluate whether such synthetic layered hydroxides and the corresponding na...
Distribution and speciation of Fe(II) in the waters of Lake Biwa and inflowing rivers
oxic environment inflowing rivers
2009/4/1
The extraction method of Fe(II)-ferrozine complex was modified to achieve detection of nanomolar concentrations of Fe(II) in freshwaters. This method was applied to investigate the distribution of tra...
Rainwater as a source of Fe(II)-stabilizing ligands to seawater
Rainwater Fe stabilizing ligands seawater
2014/4/18
Rainwater hydrophobic extractable dissolved organic matter (EDOM) contains ligand(s) that completely prevent Fe(II) oxidation for at least 4 h after rain is mixed with seawater.The EDOM Fe(II) complex...
The Direct Electrochemical Synthesis of Ti(II), Fe(II), Cd(II), Sn(II), and Pb(II) Complexes with N, N´-Bis(Salicylidene)-o-Phenylenediamine
Electrochemical Synthesis N N'-Bis(Salicylidene)-o-Phenylenediamine metal complex
2010/4/8
The electrochemical oxidation of anodic Ti, Fe, Cd, Sn, and Pb (=M) into acetonitrile solutions of N,N'-bis(salicylidene)-o-phenylenediamine [SalophH2] gives the corresponding M(Saloph) complexes in h...
新型“分子合金”类Fe(II)配合物的合成和自旋转换性能
分子合金 铁络合物 自旋转换 热致变色
2007/12/25
摘要 合成了Fe[(Htrz)~9~/~4(NH~2trz)~3~/~4](BF~4)~2.H~2O(1)和Fe[(Htrz)~3~/~2(NH~2trz)](BF~4).3H~2O(2)两个"分子合金"类自旋转换配合物。其变温光谱表明,它们在室温附近具有自旋转换行为,同时还伴有热致变色及滞后现象。
Effects of a Dietary Chitosan-Alginate-Fe(II) Complex on Meat Quality of Pig Longissimus Muscle during Ageing
Pork Quality Chitosan-Alginate-Fe(II) Complex Fatty Acids Ageing
2016/4/19
The current study was conducted to investigate the effects of dietary chitosan-alginate-Fe(II) complex (CAFC) supplementation on carcass and meat qualities of pig m. longissimus during chiller ageing....
Simultaneous Determination of Fe(II) and Fe(III) in Pharmaceutical Samples by Post-Column Derivatization/HPLC
HPLC Fe(II) Fe(III) AAS Pharmaceuticals
2010/4/22
A post-column derivatization HPLC method with visible absorbance detection at 521 nm was modified for the simultaneous determination of Fe(II) and Fe(III) in mixtures. The method was applied to pharm...