To acquire a deeper understanding of surface chemistry of fly ash along with thermal activation, the states of mineral phases, water and –OH groups on silica are studied in fly ash at different calcination temperatures by DR/FTIR spectroscopic technique. DR/FTIR spectroscopy allo...
Open access
Research Article10.9734/IRJPAC/2013/4287
Aim: To develop and validate a selective, sensitive and simple RP-HPLC method for the determination of ergotamine tartrate (ET) in pharmaceutical dosage forms. Study Design: All variables were studied to optimize the chromatographic conditions. Place and Duration of Study: Depart...
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Research Article10.9734/IRJPAC/2013/4528
Aims: To determine the effect of the hydrophobic forces involved in the interaction of cellulase (endo-β-1,4-glucanase from Aspergillus niger), and cationic surfactant n-alkyl trimethyl ammonium bromides (CnTAB), with varying chain lengths (n = 10, 12, 14, 16, 18), steady-state f...
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Research Article10.9734/IRJPAC/2013/4229
A Tolterodine tartrate (TLD) (R)-N, N-diisopropyl-3-(2-hydroxy-5-ethylphenyl)-3-phenylpropanamine L-hydrogen tartrate reagent. Its molecular formula and molecular weight are C26H37NO7 and 475.6 respectively, was employed for the sensitive spectrophotometric determination of gold(...
Open access
Research Article10.9734/IRJPAC/2013/3541
Poly vinyl alcohol (PVA) / TiO2 composites were prepared by sol gel method. The structural, micro structural and the dielectric properties of the composites were studied using X- ray diffraction( XRD), Scanning Electron Microscopy (SEM) and Hioki 3522-50 LCR Meter respectively. T...
Open access
Research Article10.9734/IRJPAC/2013/3922
Schiff’s bases containing heterocyclic scaffolds have been known to possess a wide range of biological and pharmacological activities for a long time. In recent years, they have gained significant interest in the area of drug research and development owing to their broad bioactiv...
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Research Article10.9734/IRJPAC/2013/3996
Present work describes the synthesis of coumarin Mannich bases 4-7 by the application of Mannich reaction on 7-hydroxy-4-methyl coumarin 3 using conventional as well as microwave technology to compare the feasibility, reaction time and yield of the product. For this, 7-hydroxy-4-...
Open access
Research Article10.9734/IRJPAC/2013/4526
Aim: To develop and optimize two spectrophotometric methods for the determination of raloxifene hydrochloride in pure and dosage forms; using Tetracyanoquinodimethane (TCNQ) and Folin Ciocalteu’s reagents. Study Design: Charge transfer reaction and chromogen formation. Place of S...
Open access
Research Article10.9734/IRJPAC/2013/4588
Aims: To identify the specific routes of arsenic contamination in the soil at coal fired industrial area by using Chemical Mass Balance (CMB8). Study Design: The prime objectives of the study are: 1. Measuring the chemical composition of soil at different distance from the in...
Open access
Research Article10.9734/IRJPAC/2013/3742
The aim of this paper is to assess the full potentialities of spectroscopy techniques in the art work investigation and to explore the capabilities in the determination of the chemical and mineralogical composition of ancient pottery excavated from Kottapalayam village, Karur dis...
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Research Article10.9734/IRJPAC/2013/4280
Luminescence spectral changes of solid EuCl3·6H2O in the presence of N, N–dimethylformamide (DMF) and methanol (MeOH) vapors were studied. Difference spectra and 2 dimensional correlation spectra obtained from luminescence spectra were used to determine base components of the lum...
Open access
Research Article10.9734/IRJPAC/2013/3442
The corrosion resistance behavior of inhibitor enriched organically-modified silane (Ormosil) thin films on 2024-T3 aluminum alloy substrates were investigated using accelerated salt spray analysis techniques such as ASTM B117. The specified literature composition of the sol-gel...
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Research Article10.9734/IRJPAC/2013/3824
In order to obtain further insights into the mode of protection afforded by conversion coatings on aluminium substrates, Scanning and Transmission Electron microscopy techniques and potential measurements was employed to monitor variously treated aluminium specimens in chloride e...
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Research Article10.9734/IRJPAC/2013/2946
The adsorption behavior of the antihypertensive and antianginal agent amlodipine besylate onto a Hanging Mercury Dropping Electrode (HMDE) was explored by square wave and cyclic voltammetry. The drug accumulated at HMDE and a well-defined peak was obtained at –1.73V versus Ag/AgC...
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Research Article10.9734/IRJPAC/2013/2002
The main aim of this research was to prepare nanoparticles of nickel oxide through a new mixed reverse microemulsion route. Quaternary microemulsion (water/surfactant/co-surfactant/oil-phase) was used to synthesize nickel oxide nanoparticles. The microemulsion was prepared by Twe...
Open access
Research Article10.9734/IRJPAC/2013/2937