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Solid Phase Extraction of Cadmium in Edible Oils Using Zinc Piperazinedithiocarbamate and Its Determination by Flame Atomic Absorption Spectrometry
Solid Phase Extraction Edible Oils Using Zinc Piperazinedithiocarbamate Its Determination
2010/4/16
A method was developed for preconcentration of cadmium with zinc-piperazinedithiocarbamate (ZnPDC) in edible oils and its determination by flame atomic absorption spectrometer (FAAS). The preconcentra...
Zinc Perchlorate Hexahydrate Catalyzed Mono- and Bis-Transesterification of Malonic Esters
Transesterification zinc perchlorate malonic esters mono-substituted malonic esters unsymmetrical malonic esters
2010/4/16
Commercially available zinc perchlorate hexahydrate [Zn(ClO4)2.6H2O] was found to be a highly effective catalyst for the transesterification of malonic esters with alcohols. The treatment of methyl-, ...
二(2-苯基-8-羟基喹啉)锌及其衍生物的电子光谱性质的含时密度泛函理论研究（TD-DFT Study on Electronic Spectrum Properties of Bis(2-phenyl-8-hydroxyquinolato)zinc and Its Derivatives）
8-羟基喹啉锌衍生物 电子光谱 激发态 含时密度泛函理论
2010/8/24
采用从头算(ab initio)和密度泛函理论(DFT B3LYP)方法。对二(2-苯基-8-羟基喹啉)锌(Zn(qPh)2)及其衍生物的基态结构进行优化，同时用ab initio HF单激发组态相互作用(CIS)法在6-31G基组上优化其最低激发单重态几何结构，用含时密度泛函理论(TD-DFT/B3LYP)及6-31G基组计算吸收和发射光谱。计算表明，该类物质电子在基态与激发态间的跃迁，主要是电...
Simultaneous Determination of Copper, Zinc and Selenium in Chicken Liver by Differential Pulse
Chicken liver determination copper selenium zinc differential pulse polarography
2010/4/21
A differential pulse polarographic method for the determination of copper, zinc and selenium in chicken liver is described. It was possible to determine these elements in a single sample solution afte...
Inhibition Studies of a Few Organic Compounds and Their Condensation Products on the Corrosion of Zinc in Hydrochloric Acid Medium
Organic Compounds Condensation Products Zinc
2010/4/21
The corrosive behavior of zinc in HCl solution containing various concentrations of glutaraldehyde GTD, glycine GLN, methionine MTN, and their condensation products formed between GTD + GLN (CP1) and ...
Electrodeposition of Zinc from Chloride Solution
Electrodeposition Zinc from Chloride Solution
2010/4/22
The electroplating of zinc is carried out in the presence of 3,4,5-Trimethoxy benzaldehyde from a chloride bath. The bath constituents are optimized through Hull cell experiments. Operating parameters...
Zinc Determination in Pleural Fluid
Pleural fluid Zinc determination Apo Carbonic Anhydrase
2010/6/27
In this study, an enzymatic zinc determination method was applied to pleural fluid, the basis of which was the regaining of the activity of apo carbonic anhydrase by the zinc present in the sample. Th...
Recovery of Copper, Cobalt, Nickel, Cadmium, Zinc and Bismuth from Electrolytic Copper Solution
Recovery Copper Cobalt Nickel Cadmium Zinc Bismuth Electrolytic Copper Solution
2010/7/1
An electrolytic Copper Solution (ECS) was electrolyzed using platinum electrodes. Copper was obtained in solid form. In order to precipitate Cd(II), Bi(III), As(III), Sb(III) and the rest of the Cu(II...