The PCBs are known recalcitrant and toxic pollutants and significant values of contamination could be found in water. PCBs can be hydrodechlorinated using Pd-based catalysts and hydrogen, but the research to identify more efficient heterogeneous catalysts, able to work in an aque...
Open access
Research Article10.9734/IRJPAC/2016/25136
Chemical modelling study of the ligational behaviour of adipic acid dihydrazide (AADH) towards the toxic metal ions Pb2+, Hg2+ and Cd2+ has been carried out potentiometrically in aqueous medium. AADH possesses two coordinating units on either side of the molecule making it a dito...
Open access
Research Article10.9734/IRJPAC/2016/24028
The adsorption of Acid Alizarin Black (AAB) dye (C.I. 21725) on zinc oxide was investigated in this study. The adsorption was carried out under different operating conditions. The operating conditions were contact time, adsorbent dosage (10, 30, 50, 70 and 100 mg), initial dye co...
Open access
Research Article10.9734/IRJPAC/2016/23251
A new Schiff base Na+L- was prepared by condensation of sodium (3E)-3-hydrazinylidene-3H-1,2- benzoxazole-2-ide-1,1-dioxide with 7-methyl-3-oxo-3,4-dihydroquinoxaline-2-carbaldhyde. The transition metal complexes of Cobalt (II), Nickel (II), Copper (II), Zinc (II) and Cadmium(II)...
Open access
Research Article10.9734/IRJPAC/2016/23188
The effects of incorporating coconut fibre and corncob fibre as fillers on the properties of high density polyethylene (HDPE) have been studied. The study also investigated the effects on tensile strength and hardness of the composites after immersion in different chemical media,...
Open access
Research Article10.9734/IRJPAC/2016/22902
Single crystals of strontium tartrate tetrahydrate, SrC4H4O6·4H2O, were grown at 308 K by a gel method using silica gel as the medium of growth. Differential scanning calorimetry, thermogravimetric-differential thermal analysis, and X-ray diffraction measurements were performed o...
Open access
Research Article10.9734/IRJPAC/2016/23674
The multi-target quantitative structure-activity relationship (mt-QSAR) study of human immunodeficiency virus (HIV-1) inhibitors was addressed by applying a modest, hitherto active linear regression model based on the Genetic function approximation. QSAR studies were performed on...
Open access
Research Article10.9734/IRJPAC/2016/22863
The present work deals with the synthesis of tetra substituted imidazoles using environmentally benign and green catalyst H-ZSM-22. The synthesized catalyst was characterized by FTIR (Fourier-transform infrared spectroscopy), XRD and the products by FTIR and 1HNMR. H-ZSM-22 has b...
Open access
Research Article10.9734/IRJPAC/2016/21443
Aims: Synthesize and characterize a bio-polymer coated iron oxide nanoparticle, which has the potency to be used as an appropriate biomaterial for biomedical purpose. Magnetic iron oxide nanoparticles (MNPs) with biological coating exhibits many properties that can be exploited i...
Open access
Research Article10.9734/IRJPAC/2016/23408
The present study investigates the solubilities of calcium sulphate (CaSO4) in NaCl-H2O solutions at 5 and 10 Kg/cm2 pressures respectively under boiling water temperature. As no previous work has been carried out to account for the effect of very low concentrations of NaCl the s...
Open access
Research Article10.9734/IRJPAC/2016/22661
The bio-adsorbent chitosan-microcrystalline was synthesized from waste materials of shrimp processing industries, and waste cotton rags of garments industries for removal of chromium (VI) ion from tannery effluent. The chitosan was extracted from shrimp shell through the deprotei...
Open access
Research Article10.9734/IRJPAC/2016/23315
With the growth of industrialization and modernization, it has now become essential for any country to construct and develop the basic infrastructure like highways, high speed rails, metro trains, bridges, schools, colleges, hospitals, strong air vehicle network etc. Development...
Open access
Research Article10.9734/IRJPAC/2016/22529
Nigeria is richly endowed with huge solid mineral deposits; there is need therefore, to identify the different types of solid minerals in rock and soil of Mandara Mountains in Mubi region and also to assess their quality by determining their elemental compositions. The quality of...
Open access
Research Article10.9734/IRJPAC/2016/10932
Aim: To evaluate the indicator properties of a synthesized azo compound to be used as a suitable substitute for standard indicators Methodology: Compound, [4-((4-hydroxynaphthalen-1yl)diazenyl) benzoic acid](p-ABAαN) was synthesized using standard diazotization and coupling proce...
Open access
Research Article10.9734/IRJPAC/2016/20229
Aims: The study was carried out to determine the baseline cation and anion concentrations of the groundwater of Kaliganj Upazila of Jhenaidah district of Bangladesh and to evaluate the suitability of these water sources for irrigation, drinking and industrial uses. Study Design:...
Open access
Research Article10.9734/IRJPAC/2016/22111