Aims: A reverse flow injection analysis technique was developed for the spectrophotometric determination of ethylene glycol in antifreeze solutions. Place and Duration of Study: Antifreeze solutions were purchased from oil-changers (Erbil, Kurdistan region, Iraq), between April 2...
Open access
Research Article10.9734/IRJPAC/2015/6440
Isothermal, kinetics and thermodynamics studies of Cr (VI) from simulated solution onto modified activated carbon from endocarp of Canarium schweinfurthii (African Elemi) was studied. The effect of process parameters such as, contact time, pH, adsorbent dosage, initial metal ion...
Open access
Research Article10.9734/IRJPAC/2015/14823
Aims: Discovering new lead compounds against parasitic diseases is a crucial step to ensuring a sustainable global pipeline for new effective drugs. This study focus on the isolation and the antiparasitic screening of secondary metabolites of the dichloromethane-methanol (1:1) ex...
Open access
Research Article10.9734/IRJPAC/2015/15267
Polymorph, co-crystal and salt screening experiments were carried out to identify novel solid forms with the improved physicochemical properties, particularly water solubility in the present case. Co-crystal formation was evaluated with urea and nicotinamide. These coformers do n...
Open access
Research Article10.9734/IRJPAC/2015/13578
A reverse phase-liquid chromatographic method with UV detection is developed for simultaneous estimation of ceftriaxone sodium and sulbactam sodium in rat plasma. A simple protein precipitation technique was employed for the extraction of drugs from blank plasma. Chromatographic...
Open access
Research Article10.9734/IRJPAC/2015/12177
Thermostable enzymes play a major role in the food industry. Two isolates (named as TGS1 and TGS2), which were later identified as Bacillus sp., were able to produce alpha amylase at a higher temperature (45-60⁰C). The enzymes from the microorganisms were characterized at differe...
Open access
Research Article10.9734/IRJPAC/2015/14970
HPLC method was developed for resolution of racemic clopidogrel into its chirally pure enantiomer of interest. Screening experiments were performed using amycoat and cellucoat analytical chiral stationary phases in organic solvent based polar and nonpolar eluents in various combi...
Open access
Research Article10.9734/IRJPAC/2015/14075
The speciation of metals in environmental samples is a serious factor in appraising the potential environmental impacts, before their disposal. The six step extraction procedure previously proposed by Obasi et al. was used with modification to systematically study the speciation...
Open access
Research Article10.9734/IRJPAC/2015/14179
Structural survey of the clusters in Cambridge Structural Database was carried out to investigate the stereochemistry about gold and iron in their heterometallic clusters. Clusters ranging from heterobinuclear to polynuclear clusters were included in the survey. The gold atoms ar...
Open access
Research Article10.9734/IRJPAC/2015/11690
Aims: To compare the efficiency of Sorghum Hull of two different particle sizes, different concentrations modified with mercaptoacetic acid and the effect of each on the heavy metal removal to obtain optimum conditions for sorption process. Study Design: The concentrations of the...
Open access
Research Article10.9734/IRJPAC/2015/13510
The potentials of ethanolic extract of Moringa oleifera leaves as corrosion inhibitor was investigated by evaluating the corrosion behaviour of Zinc immersed in 0.5M, 1.0M, 1.5M and 2.0M HCl (corrodent) solutions each containing varied concentration of the extract (0.1 g/L, 0.3 g...
Open access
Research Article10.9734/IRJPAC/2015/13915
A new technology always raises new issues with its introduction on the market. Nanotechnology is not an exception. The advantages of nanomaterials use are not to demonstrate anymore and so, the commercialization of consumer products based on nanotechnology doesn’t stop increasing...
Open access
Research Article10.9734/IRJPAC/2015/12304
A bidentate NO type Schiff base ligand (L1) has been obtained by the condensation reaction of 4-dimethylaminobenzaldehyde and 2-aminophenol and used as main ligand and l-Alanine as co-ligand (L2), Four novel mixed ligand chelates of composition [M(L1L2)(H2O)2].nH2O, where M repre...
Open access
Research Article10.9734/IRJPAC/2015/11786
This study investigated the effectiveness of immobilized Moringa oleifera bark (IMOB) for the removal of heavy metal ions from waste water. The concentration of residual metal ion concentration was determined using Atomic Absorption Spectrophotometer (AAS). The immobilization of...
Open access
Research Article10.9734/IRJPAC/2015/13712
The solubility in the three-component Cs2SO4-NiSO4-H2O system was studied at 25°C. It has been established that a double salt, Cs2Ni(SO4)2·6H2O, crystallizes within a wide concentration range. Infrared spectra of neat Tutton compounds Cs2Ni(XO4)2•6H2O (X = S, Se) as well as those...
Open access
Research Article10.9734/IRJPAC/2015/14426