In order to reveal adsorbed states of water molecules on faujasite-type zeolites (FAU) systematically, twenty five kinds of FAU were prepared in this study: Na ions in FAU with Si/Al ratios of 1.0, 1.2, 1.7, 2.4, and 3.5 were exchanged by each Li, K, Rb, and Cs ions. High-resolut...
Open access
Research Article10.9734/IRJPAC/2014/10212
The study examined the concentration of heavy metals [Cd, Co. Cu, Pb, Ni, Mn, Pb and Zn) in dumpsite soil and waterleaf [Talinum triangulare) growing wildly on Oke-ogi dumpsite, Osun state, Nigeria. Soil samples from different layers [0-15cm, 15-30 cm and 30-45 cm) were collected...
Open access
Research Article10.9734/IRJPAC/2014/11063
Differential scanning calorimetry, thermogravimetric-differential thermal analysis, and X-ray diffraction measurements were performed on cesium hydrogen sulfate (CsHSO4) and deuterated CsDSO4 crystals. The proton and deuterated compounds were confirmed to exhibit the superionic p...
Open access
Research Article10.9734/IRJPAC/2014/11331
The adsorption characteristics of arsenic on neem bark, a low-cost natural adsorbent, were studied in the laboratory scale using real-life sample. Neem bark has tremendous potential as a remediation material for the removal of arsenic from groundwater. The present work investigat...
Open access
Research Article10.9734/IRJPAC/2014/2713
Aim: To develop and validate a stability indicating HPLC method for simultaneous estimation of metformin hydrochloride (MET) and glyburide (GLY) in their combined drug product. Study Design: All variables were studied to optimize the chromatographic conditions. Place and Duration...
Open access
Research Article10.9734/IRJPAC/2014/10301
Aims: To determine levels of Butylated hydroxyanisole (BHA), Butylated hydroxytoluene (BHT), Tertiary butyl hydroquinone (TBHQ) in food items sold in supermarkets in Bindura town, Zimbabwe. Study Design: Reversed phase HPLC-UV quantitation. Place and Duration of Study: Department...
Open access
Research Article10.9734/IRJPAC/2014/10419
A simple HPLC with UV detection method is developed and validated for determination of Bovine Serum Albumin and Myoglobin proteins in a standard solution of the two protein as well as in a plasma spiked with theses two proteins. Separation was achieved on a reversed-phase C18, 5....
Open access
Research Article10.9734/IRJPAC/2014/9391
Aims: The present study was aimed to investigate the adsorption capacity of Granular activated carbon (GAC) of coconut shell and coal ash for acidic dye. Methodology: Acid orange 7 dye is used as an adsorbate for the present study. Operating parameters such as pH, effective dosag...
Open access
Research Article10.9734/IRJPAC/2014/5772
In this paper, the angular dependence of the etching rate is applied in the three-dimensional simulations of the profile evolution during etching process. Etching rates are determined from the silicon symmetry properties by the interpolation technique using experimentally obtaine...
Open access
Research Article10.9734/IRJPAC/2014/8704
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