L. O. Ajala

Chemoprotective Potential of Selected Preservatives against Spoilage Microorganisms Associated with Stored Zobo and Their Resultant Effects on the Juice’s pH and Ascorbic Acid

L. O. Ajala, S. J. Josiah, O. P. Ogunlowo & T. O. Fasuan · International Research Journal of Pure and Applied Chemistry · 2014

Samples of extracts from Hibiscus sabdariffa calyxes were stored with different preservatives (sodium benzoate, sodium metabisulphite, boric acid and citric acid) for eight weeks and studied forthnightly for change in certain parameters. A sample (control) was also stored without...

Open access Research Article 10.9734/IRJPAC/2015/10940

Speciation of Some Trace Metals in Floodplain Soil of Eke-Mgbom, Afikpo, Nigeria

L. O. Ajala, V. I. Onwukeme & M. N. Mgbemena · Chemical Science International Journal · 2014

Floodplain soil sediment at Eke-Mgbom, Afikpo, Nigeria, was sampled and subjected to chemical fractionation to reveal the geochemical forms in which some trace metals existed. The investigation was conducted to evaluate the bioavailability of these metals to receptor organisms. T...

Open access Research Article 10.9734/ACSJ/2014/11787

Sustainable Utilization of Rice Husk Activated Charcoal Through Phytoremediation

E. O. Olagunju, L. O. Ajala & A. G. Farombi · Physical Science International Journal · 2014

The performance of rice husk-based activated carbon prepared by carbonization and chemical activation with zinc chloride was tested with effluent from 7UP Bottling Company, Ngwo, Enugu State, Nigeria, using standard protocols. The result indicated a significant (P<0.05) increa...

Open access Research Article 10.9734/PSIJ/2015/12318