Aim: To develop and validate a sensitive method for the determination of rapeprazole (RPZ) and omeprazole (OPZ) in bulk and formulations based on nucleophilic substitution reaction of RPZ and OPZ with sodium 1,2-naphthoquinone-4-sulphonate (NQS) in an alkaline medium. Study Desig...
Open access
Research Article10.9734/IRJPAC/2013/3160
We investigated crystal formation process and crystal structure on a surface or in a bulk medium in gaseous solution system, using maleimide as solute gas and air or air/MeOH as solvent gas. In the air solvent, some of the gaseous maleimide molecules aggregated to form small crys...
Open access
Research Article10.9734/IRJPAC/2013/3075
Aim: To conduct a comparative study between the smart novel ratio difference spectrophotometric method (RDSM) versus four spectrophotometric methods: first derivative spectrophotometry (D1), first derivative of the ratio spectra (1DD), isoabsorpative point (Aiso), ratio subtracti...
Open access
Research Article10.9734/IRJPAC/2013/3052
Aims: The present paper aims to study the effect of aromatic structure on the inhibition of biogas production and more specifically the comparative study of benzyl and phenyl compounds chemical structure effects on the inhibition of methane production by digested pig manure metha...
Open access
Research Article10.9734/IRJPAC/2013/2489
The effect of fillers like red mud (RM) on dry sliding wear behavior of pure aluminium has been experimentally investigated. Pure aluminium of IE-07 grades from National Aluminium Company (NALCO), Angul of Odisha, India being collected with fillers in 10%, 15%, 20% and 30% based...
Open access
Research Article10.9734/IRJPAC/2013/2906
Aims: To correlate qualitatively and quantitatively biological effectiveness of irradiations of bio-test objects by neutrons, X- and gamma-rays within a wide range of doses, dose rates (dose powers), durations of action and spectral contents of the radiations. Study Design: These...
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Research Article10.9734/IRJPAC/2013/2622
A convenient solid state metathetic synthesis has been developed for the preparation of metal tungstates MWO4 where M = Mn, Fe, Co, Ni and Zn using Na2WO4 and respective MCl2 as reactants. Stoichiometric quantities of respective reactants were mixed and ground for 2hrs. XRD patte...
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Research Article10.9734/IRJPAC/2013/2748
Benzimidazoles are known to represent a class of medicinally important compounds which are extensively used as antibacterial agents. Hence, a series of five 2-substituted benzimidazole precursors (1a-e) were synthesized via [4 + 1] condensation and imino compound (1f) by simple c...
Open access
Research Article10.9734/IRJPAC/2013/2480
Soils need to be tested before and after the establishments of plantations. This is because the results of a soil test gives a relative measure of the amount of nutrients available in the soil and thus are use as a base for nutrient diagnosis. The Calcium Acetate lactate (CAL) me...
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Research Article10.9734/IRJPAC/2013/2600
The present paper offers a molecular model of explosive and detonating processes based on the activated complex theory (a transition state theory). It is demonstrated that bond breaking within a molecule of an explosive occurs not simultaneously but successively with the formatio...
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Research Article10.9734/IRJPAC/2012/1924
Four feedstock’s comprising two inedible oils (Telfaria occidentals Hook F, (TVO) and Hura crepitians L (HVO)) and two edible oils (Cucumeropsis manii (CSVO) and Canarium schweinfurthii Engl.(CVO)) which are in abundance in the locality of study were investigated for production o...
Open access
Research Article10.9734/IRJPAC/2012/2081
Aims: To provide common Organic Chemistry/Polymer Science thermoset free-radical crosslinking Sciences for Medical understanding and also present research findings for several common vitamins/antioxidants with a new class of drugs known as free-radical inhibitors. Study Design:...
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Research Article10.9734/IRJPAC/2012/2104
The interfacial behavior of 2-Thiobenzylbenzimidazole (TBBI) between aluminium alloy AA 3003 and 1M hydrochloric acid solution was investigated by mass loss technique. Mass loss is concentration and temperature dependent. The influence of temperature has been studied in the absen...
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Research Article10.9734/IRJPAC/2012/1947
Novel Cu(II), Zn(II) and Pd(II) complexes of the Schiff base, 3-[2,4-dihydro-1H-inden-4-ylimino)methyl]napthalen-2-ol, have been prepared and characterized by elemental analysis, 1HNMR, molar conductance, room temperature magnetic moments, infrared and electronic spectral measure...
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Research Article10.9734/IRJPAC/2012/1370
Kinetic methods of analysis are now accepted as standard analytical procedures for several of reactions, especially oxidation types. Though the reaction of phenols and substituted phenols by potassium bromate is well understood as an oxidative type, there was a need to understand...
Open access
Research Article10.9734/IRJPAC/2012/1242