Catalysts CuMn_2O_4 have been prepared with different complexing agents by sol-gel technique. The phase, reducing properties and catalytic activities have been investigated by means of XRD, BET, TPR and complete oxidation reaction of xylene. 采用溶胶-凝胶技术,在不同络合剂体系中制备CuMn2O4催化剂,用XRD、BET法、TPR、二甲苯完全氧化等手段研究了催化剂的晶相、还原性能及催化活性。
Study on Complexing Reaction of Copper(ⅱ) with Gelatin 铜(Ⅱ)与明胶的络合反应研究&pH值和温度的影响
Function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin, and accelerate the beginning of replacement reaction favorably; 阐述了镀液中各组分的作用:络合剂能有效地改变铜、锡的电位,促使初期的置换反应顺利进行;
Industrial resource of m-xylene and all kinds methods form-xylene separation are introduced, such as complexing, adsorption, sulfonating, reaction rectifying and azeotropic rectifying etc, and the production of m-xylene at home and abroad is also summarized in the article. 介绍了间二甲苯的工业来源,分离间二甲苯的各种生产技术,如:络合法、吸附法、磺化法、反应精馏法和共沸精馏法等,并概述了间二甲苯的国内外生产情况。
Effects of Organic Complexing Reagents on the Color Reaction of Tin ( IV) with Bromopyrogallol Red 有机络合剂对锡与溴邻苯三酚红显色反应的影响
A Study of Water Glass-Zincate Bath for Zinc Plating ⅱ. Constituents and Complexing Reaction of Water Glass-Zincate Bath for Zinc Plating 水玻璃锌酸盐镀锌研究Ⅱ水玻璃锌酸盐镀液的组成及成络反应
This paper reports the complexing reaction of organic reagent with metal ion to determine the purity of the reagent. 本文基于试剂与金属离子的络合反应,利用两者间的化学计量关系,以金属离子为基准比色测定指示剂类有机试剂的纯度。
The study of the complexing Reaction Mechanism of Gelatin-Cr(ⅲ) with NMR 明胶&Cr(Ⅲ)络合机理的NMR研究
Additive Cyclic Square Wave Voltammetry For Adsorptive-Complex Irreversible System& ⅰ. Controlled by the rate of complexing reaction 络合吸附体系叠式循环方波伏安法的理论研究Ⅰ.受前行化学反应控制
The system of rhodium-tin(ⅱ) bromide-diantipyrylmethane has been further studied to optimize chromogenic conditions, such as acidity, reagent amount, and temperature. The mechanism of the complexing reaction was also discussed. 本文对溴化亚锡-二安替比林甲烷-铑的显色体系作了进一步研究确定了显色酸度、试剂用量和温度等最佳显色、萃取条件,探讨了显色机理。
Effects of formation of complexing ions in electroplating on cathodic electrode reaction, standard electrode potential, overpotential and metal deposition potential are also discussed, therefore providing im-portant theoretic basis for alloy electroplating. 阐述了络离子的形成对阴极电极反应、标准电极电位、过电位和电镀时金属析出电位的重要影响,从而为合金电镀提供了重要的理论依据。
Moreover the mechanism of the complexing reaction was also investigated by Fourier transform infrared spectrometer ( FTIR) in the preparation process of the hybrid sol. 利用傅立叶红外(FTIR)、透射电镜(TEM)和X射线能量色散谱仪(EDS)研究了杂化溶胶形成过程中的络合机理及溶胶形态。