The effect of ionic strength and temperature on the kinetics of reaction between 3, 7 bis (dimethyl amino) - 4- nitro-phenothiazine-5-ium chloride (methylene green) and persulfate ions in presence of potassium iodide and potassium bromide was studied by spectrophotometric method....
Open access
Research Article10.9734/IRJPAC/2014/6649
When light is incident upon a liquid suspension that has an oblate spheroid shape, the size and presence of particles can be determined by measuring light intensity exiting the sample or by imaging the scattered light using a digital camera. This dual analysis system is facilitat...
Open access
Research Article10.9734/IRJPAC/2014/5899
A novel europium(III)-1,10-phen complex (I) has been synthesized and characterized by single crystal XRD. Complex I crystallized in the monoclinic space group C2/c with unit cell dimensions a = 30.8233(13) Å, b = 9.5063(4) Å, c = 21.9973(10) Å, α = 90°, β = 113.616(2)°, γ = 90°,...
Open access
Research Article10.9734/IRJPAC/2014/6646
Magnesium Oxide (MgO) Nanoparticles (Nps) synthesized by microwave-assisted coprecipitation method was added as a nanoscale filler together with sodium thiocyanate (NaSCN) into poly (ethylene oxide) (PEO) to form PEO-MgO/NaSCN Nanocomposite Polymer Electrolytes (NCPEs). The MgO N...
Open access
Research Article10.9734/IRJPAC/2014/5358
Aims: The present study was undertaken to develop a new UV spectroscopic method of acetaminophen using mix solution of methanol: phosphate buffer 7.4 (in 1:9 ratio) (further diluted with phosphate buffer 7.4 only) as a solvent system for analysis of acetaminophen. Place and Durat...
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Research Article10.9734/IRJPAC/2014/5784
Different parts of Citrus aurantifolia (Christm.) Swingle (Lime), C. grandis Osbeck (Shaddock/Pummelo), C. limon (L.) Burm. f. (Lemon), C. paradisii Macf. (Grapefruit), C. reticulata Blanco (Mandarin/Tangerine) and C. sinensis (L.) Osbeck (Sweet orange) commonly cultivated in Sou...
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Research Article10.9734/IRJPAC/2014/5831
Aims: The need for separation of calcite from other minerals has been a concern. Na-oleate has been found useful as a good adsorbate for separation of calcite from other minerals. The aim of present study is to investigate the effect of various mechanisms of adsorption of Na-olea...
Open access
Research Article10.9734/IRJPAC/2014/3555
PbS quantum dots synthesized at room temperature through CBD technique show a large blue shift of absorption edge due to formation of very small particle size of the order of 2nm confirmed by HRTEM measurement. It exhibits a further blue shift when synthesized in acidic medium (p...
Open access
Research Article10.9734/IRJPAC/2014/5502
The determination of optimum reaction temperature and time for biodiesel yield from Coconut (Cocos nucifera) oil was studied. The oil was transesterified using potassium hydroxide (KOH) in methanol as catalyst to obtain the crude biodiesel. For the reaction time, the biodiesel pr...
Open access
Research Article10.9734/IRJPAC/2014/3927
Aims: The research work is based on the kinetic study of the esterification reaction of benzoic acid with alcohol by using zirconium molybdo tungstate and conventional catalyst (sulphuric acid). Study Design: The study was designed to compare the results of both the catalysts und...
Open access
Research Article10.9734/IRJPAC/2014/4347