The UV-visible spectra of indolino spirobenzoxazine were recorded in polar protic solvents, methanol and ethanol and polar aprotic solvent, acetone. The results showed a hypsochromic shift in the wavelength of maximum absorption with increase in solvent polarity. pH variation fro...
Open access
Research Article10.9734/IRJPAC/2016/19768
This article presents synthesis of 2,4,6-trisubstituted-1,3,5-triazine derivatives. New compounds were obtained by sequential nucleophilic substitution of chlorine atoms in cyanuric chloride. Structure of all synthesized compounds was confirmed by spectral and elemental analysis....
Open access
Research Article10.9734/IRJPAC/2015/20466
Aim: To prepare Activated carbon (AC) from local agro-forestry wastes, and apply it in dye adsorption in order to assess its efficiency in wastewater treatment. Study Design: Laboratory analysis for various parameters. Place and Duration of Study: Department of Chemical Engineeri...
Open access
Research Article10.9734/IRJPAC/2015/19229
The effect of Cr2O3 nanoparticles embedded in PVA on the structural, electrical and optical properties of composite films is studied experimentally. Sample is PVA films embedded with different sizes and concentrations of Cr2O3 nanoparticles. Structural properties are studied usin...
Open access
Research Article10.9734/IRJPAC/2015/19118
Aims: To study N-acetylglutamate hydrolysis under acidic and basic conditions, using molecular modeling techniques. Study Design: Hydrolysis of N-acetylglutamate was studied under acidic and basic conditions to establish the differences in chemical properties and conditions of...
Open access
Research Article10.9734/IRJPAC/2015/19769
A simple and green room temperature Na2CO3-catalysed three-component reaction of benzaldehydes, malononitrile and phloroglucinol in water to give 2-amino-4H-benzopyrans in 70-96% yields is described. The reaction was tolerated by electron-donating and electron-withdrawing substit...
Open access
Research Article10.9734/IRJPAC/2015/20066
The laboratory study examines the suitability of shrub willow for paper making applications. The shrub willow was harvested, debarked, chopped, sorted and hydrothermal pretreated before sulfate pulping. After pulping a four stage bleaching process followed. The results show that...
Open access
Research Article10.9734/IRJPAC/2015/19131
The interactions of cationic dyes (methyl violet) with anionic surfactant sodium dodecyl sulfate (SDS) was studied in process of solubilization. The critical micelle concentration of the SDS with and without dye was determined by spectrophotometry and specific conductometry metho...
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Research Article10.9734/IRJPAC/2015/19603
Antibody-antigen interactions play a major role in many biological systems and can be used in sensors to capture target molecules. We investigated, as an example, the interaction behaviour of Picloram, a herbicide, which can contaminate fresh water supply, and its corresponding a...
Open access
Research Article10.9734/IRJPAC/2015/19579
The H3PO4-promoted reactions of benzaldehydes, active methylene compounds and urea are reported. Benzaldehydes, ethyl acetoacetate and urea react in the presence of H3PO4 to give substituted pyrimidin-2-ones in 49-84% yields. The three-component reaction failed when either ethyl...
Open access
Research Article10.9734/IRJPAC/2015/20189