Khusnutdin M. Shakhidoyatov, Tozagul U. Dzhumatanova, Ubaydullo M. Yakubov, Azimjan A. Mamadrahimov & Gulsara E. Berdimbetova·Chemical Science International Journal·2015
The interaction of 2-methyl(ethyl)-5H(chloro, nitro)benzimidazoles with benzoyl (acetyl) chloride, and p-toluenesulfonyl chloride in the presence of triethylamine in tetrahydrofuran or chloroform was studied. It was found that the reaction proceeds in three stages with the format...
Open access
Research Article10.9734/ACSJ/2015/15935
Five authentic Acacia polyacantha whole gum samples were collected as natural exudates and five acetone fractions were obtained. Analysis of the whole gum samples and the fractions were carried out t for nitrogen (protein), specific rotation, intrinsic viscosity, pH, equivalent w...
Open access
Research Article10.9734/ACSJ/2015/11106
Coordination polymers derived from 1,2,4,5-benzenetetracarboxylate (H2btec2- or btec4- ), Fe(II), Mn(II), Co(II), Ni(II), Cu(II), Cd(II) or UO2(II) metal ions, 1,10-phenanthroline(1,10-phen) or 2,2'-bipyridine(2,2'-bipy) were prepared. The polymers were characterized by elementa...
Open access
Research Article10.9734/ACSJ/2015/15754
The present work consists on an experimental characterization of non-purified clay material. The survey is focused on the chemical, physical, and mechanical properties variation during the convective drying of the material. Clay identification by atomic absorption spectrophotomet...
Open access
Research Article10.9734/ACSJ/2015/15746
In this paper a new series of 1,3,4-thiadiazole derivatives have been designed, synthesized and evaluated as antimicrobial agents. New compounds were prepared by the reaction of 5-amino-1,3,4-thiadiazole-2(3H)-thione with appropriate aldehydes. The structures of the obtained comp...
Open access
Research Article10.9734/ACSJ/2015/16229
Aims: To investigate the catalytic activity of pyridine-2,6-dicarboxylic acid in the redox reaction of Cr(VI) and phenylsulfinyl acetic acid. Study Design: The mechanism of the reaction was designed on the basis of the observed results of kinetic, spectral and substituent effect...
Open access
Research Article10.9734/ACSJ/2015/15998
Aims: To study the host-guest interactions of α-, β- and g-cyclodextrin with herbicide bifenox. Study Design: Binding constants of the complexes were determined by Benesi-Hildebrand method and stoichiometry of the complexes was confirmed by Job’s method. In addition, by means of...
Open access
Research Article10.9734/ACSJ/2015/16078
A high charged density sodium fluorophlogopite mica Na-4-mica, ideal chemical structure Na4Si4Al4Mg6O20F4.xH2O, was prepared by a simple and economic method using kaolinite as a source for SiO2, Al2O3 and MgO. The prepared mica was characterized by using XRD, DSC and SEM. Na-4-mi...
Open access
Research Article10.9734/ACSJ/2015/15191
The disposal of untreated effluents from the textile & paper industries is a major environmental concern these days. Textile effluents are colored & contain carcinogenic aromatic amines, dyes, organic & inorganic molecules. However, paper mill effluents are dark in co...
Open access
Research Article10.9734/ACSJ/2015/15484
Nickel vanadium oxide with rod like architecture has been hydrothermally synthesized and electrochemically characterized as electrode material for supercapacitor application. The maximum specific capacitance of 412 and 297 F/g was achieved respectively at 2 mV/s and 3 A/g for the...
Open access
Research Article10.9734/ACSJ/2015/15866
The ash contents, minerals, anti nutritional factors, calorific value and vitamin C of velvet tamarind pulps were investigated. The results showed: total ash (1.47±0.02%), water soluble ash (0.40±0.10%), acid insoluble ash (2.31±0.15%) and sulphated ash (1.95±0.01%). The minerals...
Open access
Research Article10.9734/ACSJ/2015/14678
Microalgae are great users of CO2 and can fix large amounts of this compound. In algal biomass production systems, the requirement of carbon is usually supplied by CO2, continuously or intermittently. The relative concentrations of inorganic carbon species determine the pH and, i...
Open access
Research Article10.9734/ACSJ/2015/15350
Ni1-xCoxFe2O4 (x=0–1.0) ferrite nanoparticles were synthesized by using a hydrothermal process. The nanoparticles had average particle sizes of 14.8−29.4 nm and a narrow band gap of 1.75−1.91 eV, decreasing with increasing Co content. The nanoparticles showed an excellent sunligh...
Open access
Research Article10.9734/ACSJ/2015/14764
The adsorption capacity of Nickel (Ni2+) and Copper (Cu2+) ions from an aqueous solution by activated carbon prepared from Balanites aegyptiaca shells. ¶Prepared activated carbon was characterized by Fourier transform infra red spectroscopy FTIR, and by determination of the iodin...
Open access
Research Article10.9734/ACSJ/2015/14514