The densities, ρ and viscosities, η of NH4Cl, NiCl2 and FeCl3 in dimethylsulfoxide were studied as a function of concentration. The partial molal volume, ( 0 v φ ) of these electrolytes were evaluated. The viscosity and viscosity-coefficients (A and B) were also determined by Jones-Dole equation. B-coefficient for NiCl2 and FeCl3 are positive that show structure making behavior in all the solut...

Methylene ureas (MU) are slow-release nitrogen fertilizers degraded in soil by microbial enzymatic activity. Improved utilization of MU in agricultural production requires more knowledge about the organisms and enzymes responsible for its degradation. A Gram-negative, MU-degrading organism was isolated from a soil in Sacramento Valley, California. The bacterium was identified as Agrobacterium t...

Nitrate ions are one of the causes surface water eutrophication. In present research, effective adsorption nitrate (NO3) on bioadsorbents prepared from yam skins (Dioscorea alata) was evaluated. The skin chemically modified with ammonium chloride (NH4Cl), and biochar thermally biomass. results were compared commercial coal (CC). characterized by SEM-EDS analysis, which showed that synthesized a...

While phosphorus is a limited resource that essential for agriculture, its release to the environment adversely impacts water quality. At same time, animal wastewaters contain significant quantities of and nitrogen can be recovered beneficial use. Phosphorus uptake experiments were performed with magnesium-treated corn-cob char magnesium silicate prepared using from rice straw at pH 8 9. The co...