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All published articles 998

A Validated RP-HPLC-UV Method for Simultaneous Estimation of Ceftriaxone and Sulbactum in Rat Plasma

B. M. Gurupadayya & N. S. Disha · International Research Journal of Pure and Applied Chemistry · 2014

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 Article 10.9734/IRJPAC/2015/12177

Thermo-stable, Calcium Independent Alpha Amylase from Two Bacillus species in Afar, Ethiopia

T. W. Atsbha, Gulelat D. Haki, S. Abera & T. B. Gezmu · International Research Journal of Pure and Applied Chemistry · 2014

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 Article 10.9734/IRJPAC/2015/14970

Method Development for Chiral Purification of Racemic Clopidogrel Using Chiral Stationary Phase

Sangeeta Sangwan, Sharwan K. Dewan & Rajesh K. Thaper · International Research Journal of Pure and Applied Chemistry · 2014

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 Article 10.9734/IRJPAC/2015/14075

Heavy Metal Speciation in Some Selected Farms Treated with Urban Solid Waste, in Jos South, Plateau State, Nigeria

Nanven D. Nimyel, J. N. Egila & Y. N. Lohdip · International Research Journal of Pure and Applied Chemistry · 2014

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 Article 10.9734/IRJPAC/2015/14179

Structural Characterization of Heterometallic Gold – Iron Clusters

M. Melník & P. Mikuš · International Research Journal of Pure and Applied Chemistry · 2014

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 Article 10.9734/IRJPAC/2015/11690

Adsorption Isotherm Studies of Ni (II), Cu (II) and Zn (II) Ions on Unmodified and Mercapto-Acetic Acid (MAA) Modified Sorghum Hulls

C. Imaga, A. A. Abia & J. C. Igwe · International Research Journal of Pure and Applied Chemistry · 2014

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 Article 10.9734/IRJPAC/2015/13510

Inhibitive and Synergistic Properties of Ethanolic Extract of Moringa oleifera Leaves on the Corrosion of Zinc in HCl Solution

Fabian A. Ugbe, Mustapha A. Funtua, Abiola V. Ikudayisi & Aloysius A. Pam · International Research Journal of Pure and Applied Chemistry · 2014

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 Article 10.9734/IRJPAC/2015/13915

Nanomaterials Life Cycle Analysis: Health and Safety Practices, Standards and Regulations – Past, Present and Future Perspective

Laura Gendre, Kim Blackburn, James Brighton, Veronica Marchante Rodriguez & Hrushikesh Abhyankar · International Research Journal of Pure and Applied Chemistry · 2014

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 Article 10.9734/IRJPAC/2015/12304

Mixed-Ligand Chelate Formation of Co(II), Ni(II), Cu(II) and Zn(II) Ions with Schiff Base as Main Ligand and Amino Acid as Co-Ligand

M. M. El-ajaily, F. S. Alassbaly, A. M. Etorki & A. A. Maihub · International Research Journal of Pure and Applied Chemistry · 2014

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 Article 10.9734/IRJPAC/2015/11786

Biosorption of Metal Ions from Aqueous Solution by Immobilized Moringa oleifera Bark

B. J. Tizhe, S. A. Osemeahon, I. I. Nkafamiya & M. H. Shagal · International Research Journal of Pure and Applied Chemistry · 2014

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 Article 10.9734/IRJPAC/2015/13712

Infrared Spectroscopic Study of Cs2Ni(XO4)2•6H2O (X = S, Se) and of NH4+ Ions Included in M2Ni(XO4)2∙6H2O (M = Rb, Cs; X = S, Se) and Crystal Structures of (M,NH4)2Ni(XO4)2∙6H2O (M = Rb, Cs; X = S, Se) Mixed Crystals

Veronika Karadjova, Manfred Wildner & Donka Stoilova · International Research Journal of Pure and Applied Chemistry · 2014

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 Article 10.9734/IRJPAC/2015/14426

Determination of Physico-Chemical Parameters, Zinc and Iron Levels in Domestic Waters of Katsina Metropolis, Nigeria

Lawal Shuaibu, Bashir Ahmed Dutsinma & Aliyu Ibrahim Yar’adua · International Research Journal of Pure and Applied Chemistry · 2014

Physico-chemical parameters, Zinc and Iron levels of sixteen different samples of the domestic waters obtained from some designated areas in Katsina metropolis were determined to ascertain the level of water quality. The parameters investigated were pH: (6.55±0.10-8.34±0.15), tur...

Open access Research Article 10.9734/IRJPAC/2015/13512

Evaluation of Heavy Metals in Road Dust in Jos, Plateau State, Nigeria

Temitope Ruth Alonge-Emmanuel, Fatai Afolabi Ayeni, Dorcas Joseph, Emily Dada & Florence Dennis Uzuh · International Research Journal of Pure and Applied Chemistry · 2014

An investigation of the heavy metal contents in road dust is vital in assessing the potential environmental impacts of vehicular emissions on the soil. In this study, dust samples were collected from Jos metropolis and were analysed for heavy metals (Pb, Zn, Mn, Cu, Co, Cd and Fe...

Open access Research Article 10.9734/IRJPAC/2015/14150

Level of Organochlorine Pesticides Residue in Fish, Water and Sediment in Biu Dam (Reservoir) Borno State Nigeria

D. Y. Shinggu, O. N. Maitera & J. T. Barminas · International Research Journal of Pure and Applied Chemistry · 2014

The health risks posed by organochlorine compounds to the total environment have continued to elicit concern among researchers in developing countries worldwide. Hence, this study focused on investigating the levels of Organochlorine pesticides residues in water sediment and fish...

Open access Research Article 10.9734/IRJPAC/2015/13199

Optimization and Kinetic Study for the Removal of Chromium (VI) Ions by Acid Treated Sawdust Chitosan Composite Beads

N. M. I. Alhaji & K. M. Tajun Meera Begum · International Research Journal of Pure and Applied Chemistry · 2014

Aims: To study the adsorption efficiency of acid-treated sawdust composite beads (SDCCB) for Cr(VI) ions and to optimize the process variables using Response Surface Methodology (RSM). Study Design: Preparation of SDCCB, Characterization of SDCCB, Study of influence of variables...

Open access Research Article 10.9734/IRJPAC/2015/13834