New heat resistant methylphenylsiloxane resins produced by methyltriethoxysilane and oligophenylsilsesquioxane acidolysis were investigated. The synthesized resins are characterized by narrow molecular-mass distribution, higher thermal and thermal oxidative stability, reduced gel...
Open access
Research Article10.9734/IRJPAC/2014/7257
Rheology is a simple analysis that is being more and applied to determine the physical behavior of solutions, suspensions and mixtures. The basic parameter, obtained in the rheological study of liquid foods, is viscosity, used to characterize the fluid texture. Rheology is concer...
Open access
Research Article10.9734/IRJPAC/2014/9586
Fatty acids (FAs) play an important role in physiological functions. Hence, separation and isolation of FAs is of great industrial importance. With the intension of finding out effective means of separating different forms of lipid constituents, two studies were carried out. In t...
Open access
Research Article10.9734/IRJPAC/2014/9869
Reverse phase high-performance liquid chromatographic method that allows the determination of the preservative benzoic acid is described. Separations were affected by using an initial mobile phase of methanol–acetate buffer (pH 4.4), (35:65). Separation of benzoic acid is achieve...
Open access
Research Article10.9734/IRJPAC/2014/8720
NiO nanoparticles were synthesized by water-in-oil microemulsion technique using Aerosol-OT as a surfactant. The study aims to understand the nanoparticle size and distribution synthesized with the surfactant and co-precipitated without surfactant. Nanoparticles were synthesized...
Open access
Research Article10.9734/IRJPAC/2014/8538
In this research work the level of the metals: Pb, Cd, Zn, and Cu were determined in soil samples collected within Maiduguri Metropolis. Samples were collected from places of high anthropogenic activity such as automobile maintenance workshop (AMW), Car park or Bus stops (CP), an...
Open access
Research Article10.9734/IRJPAC/2014/9924
The very sensitive, fairly selective direct spectrophotometric method is presented for the rapid determination of silver at ultra-trace level using1, 5-diphenylthiocarbazone (dithizone) as a new micellar spectrophotometric reagent ( max= 495 nm) in a slightly acidic (0.1-1.0 M H2...
Open access
Research Article10.9734/IRJPAC/2014/8157
Aim: To isolate, characterize and ascertain the anti-lipid peroxidation activity of a chromene propanoic acid from the stem bark of Brachystegia eurycoma Harms. Study Design: The study was designed to search, isolate and elucidate the structure of a novel compound and then test i...
Open access
Research Article10.9734/IRJPAC/2014/8594
The isopropanolic extract of the leaves of Psidium guajava Linn was analyzed by Gas chromatography-mass spectrometry (GC-MS). Fourteen different phytochemical compounds have been characterized, including 1, 3, 3-trimethyl-2-oxabicyclo [2.2.2] octane, (2.06%), 4, 11, 11-trimethyl-...
Open access
Research Article10.9734/IRJPAC/2014/8592
The study assesses the physico-chemical parameters and metal concentrations in drinking water from different sources in New Bussa, Niger State, North Central Nigeria. Triplicate Water samples were collected from 12 sampling points located all over the town including a well, boreh...
Open access
Research Article10.9734/IRJPAC/2014/7289
The liquid water-metal interface and the liquid water-gas interface, both play an important role in the initiation and the development of the electrical discharge in the gas bubbles. Evidence from the environmental application studies supports the strong dependence of the dischar...
Open access
Research Article10.9734/IRJPAC/2014/8550
Inductively coupled plasma- optical emission spectroscopy (ICP-OES) and square wave voltammetry (SWV) were used to analyse and compare the concentrations of Cu, Cd, Hg, Pb and Zn in polluted mine water samples from Shilbottle in North Eastern England, United Kingdom. The results...
Open access
Research Article10.9734/IRJPAC/2014/8283
Aims: The aim of this research paper is to examine the efficiency of electrooxidation and electrocoagulation techniques to remove the textile dye Maxilon Red GRL from polluted water. Study Design: The study was performed by using two graphite electrodes as anode and cathode for e...
Open access
Research Article10.9734/IRJPAC/2014/7819
Synthesis of the composition Ce4-xCa1+xFe5-xZnx O14+δ (0≤ x ≤0.45) (T1-T4: x=0, 0.15, 0.30 and 0.45) were done via nitrate-citrate gel route. The wavelength of X-rays is on the atomic scale, so X-ray diffraction (XRD) is a primary tool for probing structure of nano-materials. Cry...
Open access
Research Article10.9734/IRJPAC/2014/7586
Aframomum melegueta leaf, stem, root and seed essential oils were obtained by hydro-distillation and were analyzed by means of gas chromatography/mass spectrometry (GC/MS). Twenty components were identified in the leaf essential oil. The major components were mrytenyl acetate (29...
Open access
Research Article10.9734/IRJPAC/2014/7397