This study was conducted to determine the concentration of major and trace elements in samples of Guiera senegalensis from the vicinity of a Kaolin milling plant in Alkaleri Bauchi State. Twenty four samples were collected (12 samples each in both dry and wet seasons) at differen...
Open access
Research Article10.9734/AJOCS/2017/38777
Aims: Carbohydrate stands out among the various classes of food synthesized by plants. It has the highest proportion in cassava tuber which is a staple root crop in many developing countries, especially in West Africa. This research is aimed at determining the sugar contents in c...
Open access
Research Article10.9734/AJOCS/2017/37112
Soil contamination by heavy metals is of great concern with respect to human health risks, groundwater contamination, phytotoxicity to plants, adverse effects on microbial activity and diversity, long-term effects on soil fertility and depreciation of land. Soil samples were obta...
Open access
Research Article10.9734/AJOCS/2017/37635
Aims: It was aimed to provide understanding of the properties of recycled fibers from Old Corrugated Container (OCC) and to explore boric acid and sodium borohydride effects for improvement of the properties of secondary OCC pulps. Study Design: In order to control past and the s...
Open access
Research Article10.9734/AJOCS/2017/36885
The paper from secondary fibers has generally considered to be used in corrugated cardboard production. For this purpose, Sack Corrugated Test (SCT) and Corrugated Medium Tests were used to determine the strength resistance behaviors. The highest CMT value of 73.5 N was found wit...
Open access
Research Article10.9734/AJOCS/2017/36886
In our quest to exploit the biomasses in our local environment for an efficient water treatment at the level of hazardous aqueous ions removal, we furthered here by immobilizing the stem bark biomass of Ficus asperifolia in a stable polymer matrix of calcium alginate. The sorptio...
Open access
Research Article10.9734/AJOCS/2017/36462
The coupled static approximation is modified for the first time to make it applicable to multi-channels problem of the collision of the proton by alkali atom. The possibility of producing more hydrogen during the proton-alkali atom collision is investigated. The formation of hydr...
Open access
Research Article10.9734/AJOCS/2017/36394
Md. Abdul Mannan, Zahidul Islam, Md. Jakir Hossen, A. B. M. Hamidul Haque, Md. Kudrat-E-Zahan, Shahed Zaman & Debashish Talukder·Asian Journal of Chemical Sciences·2017
Objective: This present study has been undertaken to evaluate the antimicrobial, antifungal and cytotoxic properties of four different fractionates such as petroleum ether, chloroform, ethyl acetate and dia-ion resin adsorbed fractions of Abroma augusta leaf extract. Methodology:...
Open access
Research Article10.9734/AJOCS/2017/35638
A new energy functional is proposed for basis free Density Functional Theory (DFT) calculation. Electronic density is calculated using atomic radii considering the atom as spherical. Ground- state electronic energies and ionization energies of atoms with Z = 1 − 120 are presented...
Open access
Research Article10.9734/AJOCS/2017/34565
Hexaquonickel (II) bis-p-toluenesulfonate [Ni(OTs)2·6H2O] was prepared from the reaction of p-toluenesulfonic acid (PTS) and nickel hydroxide [Ni(OH)2]. Energy disperse spectroscopy, thermal-analysis instrument, infrared spectrometer, and X-ray diffractometer were used to charact...
Open access
Research Article10.9734/AJOCS/2017/35519
Thiocarbohydrazide synthesis is an important intermediate step for many hydrazine organic synthetic reactions. Synthesis of thiocarbohydrazide can be done by reaction of carbon disulfide with hydrazine (hydrazinolysis) in water at 0°C giving 25% yield (based on [hydrazine]). Howe...
Open access
Research Article10.9734/AJOCS/2017/35504
In this article, optical absorbtion and band structure of solid molecular hydrogen at five different phases are reported. Transition pressure for the non-metallic phase to the metallic phase is found at 284 GPA. Phase-IV and phase-V of solid molecular hydrogen are observed as met...
Open access
Research Article10.9734/AJOCS/2017/35484
Ahamefula Anslem Ahuchaogu, A. I. Obike, Chisom Sampson Egedeuzu, P. O. Ukaogo & Okoronkwo Joseph Chukwu·Asian Journal of Chemical Sciences·2017
Phytochemical investigation was carried out on the crude ethanol extracts of the leaves of Spondias mombin. The antibacterial activity of the ethanolic and the Chloroform leaf extract was tested against four bacteria; Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginos...
Open access
Research Article10.9734/AJOCS/2017/34794
The inhibitive/adsorptive behavior of Costus afar leaves extract on the growth of sulphate reducing bacteria and anaerobic corrosion of pipeline steel caused by sulphate reducing bacteria were studied using gravimetric and media absorbance examination techniques. The test organi...
Open access
Research Article10.9734/AJOCS/2017/34792
Jean Pierre Longue Ekon, Jules Lobe Songue, Moïse Ntah A. Ayong, Moses K. Langat, Alain François Kamdem Waffo, Luc Mbaze Meva’a & Jean Duplex Wansi·Asian Journal of Chemical Sciences·2017
The aim of the present study was to carry out the isolation, purification and structural identification of secondary metabolites from methanolic extract of stem bark of Maprounea membranacea and further to evaluate the antimicrobial activity of its fractions. According to the li...
Open access
Research Article10.9734/AJOCS/2017/35033