The present study investigates the solubilities of calcium sulphate (CaSO4) in NaCl-H2O solutions at 5 and 10 Kg/cm2 pressures respectively under boiling water temperature. As no previous work has been carried out to account for the effect of very low concentrations of NaCl the s...
Open access
Research Article10.9734/IRJPAC/2016/22661
Zinc oxide nanoparticles were successfully synthesized by alkaline precipitation method from zinc formate dihydrate and sodium hydroxide using sodium dodecyl sulphate (SDS) as a surface active agent. In another experiment, the zinc salt was heated at 600°C for comparison with the...
Open access
Research Article10.9734/ACSJ/2016/22660
Structural characterization of humic acids extracted from surface, below 15 cm depth and 30 cm depth tea garden soils have been studied here. Instrumental analysis of the organic substances were carried out using UV-Visible and IR spectroscopies. The results reveal low level of h...
Open access
Research Article10.9734/IJPSS/2015/16032
A study has been undertaken to determine the acidic, and metal complexing properties of humic acid extracted from tea garden soils of different depths. The dissociation constant of humic acid has been evaluated from the pH titration curves. The pKa values obtained in this study a...
Open access
Research Article10.9734/IJPSS/2015/16033