J. O. E. Otaigbe

A Comparative Study of Microcrystalline Cellulose Isolated from the Pod Husk and Stalk of Fluted Pumpkin

C. C. Nwajiobi, J. O. E. Otaigbe & O. Oriji · Chemical Science International Journal · 2019

Microcrystalline celluloses (MCC) were prepared from α-celluloses obtained from fluted pumpkin stalk and pod. The substrates were subjected to treatment with 2% (w/v) NaOH, 3.5% (w/v) NaOCl and 17.5% (w/v) NaOH solutions respectively to obtain alpha celluloses. Acid hydrolysis of...

Open access Research Article 10.9734/CSJI/2018/v25i430074

A Study on the Photocatalytic Reduction of Some Metal Ions in Aqueous Solution Using UV- Titanium Dioxide System

I. O. Ekwere, M. Horsfall & J. O. E. Otaigbe · International Research Journal of Pure and Applied Chemistry · 2019

The photocatalytic reduction of Cu (II), Pb (II), Cd (II) and Cr (VI) ions in aqueous solution has been investigated. The photocatalyst utilized was nano titanium dioxide, composed of 80% anatase and 20% rutile; the UV light source was a 15 W UV bulb with a wavelength of 254 nm....

Open access Research Article 10.9734/irjpac/2019/v18i230087