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Microwave-Assisted Synthesis of Some Metal-Free Phthalocyanine Derivatives and a Comparison with Conventional Methods of their Synthesis
Synthesis metal-free phthalocyanines microwave irradiation conventional heating lithium pentanol
2010/4/9
Synthesis of metal-free 2,9(10),16(17),23(24)-tetra(3,5- dimethylphenoxy) phthalocyanine, 2,9(10),16(17), 23(24)-tetra(4- tert-butylphenoxy) phthalocyanine, and 2,9(10),16(17),23(24)-tetra(3,5- di-ter...
过渡金属掺杂Ru-Se簇合物电催化剂氧还原性能的对比研究（Comparison of Electrocatalytic O2 Reduction Performances between Transition Metal Doped Ru-Se Cluster）
氧电还原 Ru纳米簇硫族化合物 电催化剂 抗甲醇性
2010/8/24
采用羰基金属化合物低温合成法制备了不同掺杂元素的M-Ru-Se(M=Fe，W，Mo)簇合物，并应用旋转圆盘电极电位扫描法测试簇合物的电催化活性及其抗甲醇性，采用TEM、XRD、EDS技术表征催化剂的微观形貌、结构和组成。结果显示，掺杂过渡元素对簇合物的催化活性及其抗甲醇性有明显的影响，其中Mo-Ru-Se的还原电流最高，催化活性最高，W-Ru-Se次之，Fe-Ru-Se最低；电解质中加入甲醇后，W...
Performance Comparison between Monolithic C18 and Conventional C18 Particle-Packed Columns in the Liquid Chromatographic Determination of Propranolol HCl
Monolithic columns Chromolith Performance propranolol hydrochloride performance validation degradation products method transfer batch reproducibility
2010/4/19
Performance Comparison between Monolithic C18 and Conventional C18 Particle-Packed Columns in the Liquid Chromatographic Determination of Propranolol HCl.
Adsorption of Some Heavy Metal Ions from Aqueous Solution by Activated Carbon and Comparison of Percent Adsorption Results of Activated Carbon with those of Some Other Adsorbents
Heavy metal adsorption activated carbon chitosan agar adsorption from aqueous solution adsorption kinetics adsorption isotherm
2010/6/27
In this study, removal of some heavy metals ions (Mn2+, Fe2+, Ni2+ and Cu2+) from aqueous solution by adsorption was investigated. For this purpose, high-grade MnSO4.H2O, FeSO4.7H2O, NiSO4.7H2O and Cu...