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44 results for “AAS”
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Research ArticleOpen accessIn the abstractMetals Concentrations in Tissues of Tilapia gallier, Crarias lazera and Osteoglossidae Caught from Alau Dam, Maiduguri, Borno State, NigeriaG.A. Dimari, F.I. Abdulrahman, J.C. Akan, S.T. GarbaAn analysis of intestine, liver, stomach and gill tissue concentrations of heavy metals (Cu, Co, Pb, Cr, Mn, Fe, Ni, Cd and Zn) in three commercially important fish species (Tilapia gallier, Crarias lazera and Osteoglossidae. caught within Alau Dam between the periods of January to August, 2007. These heavy metals were determined using Perkin-Elmer AAnalyst 300 Atomic Absorption Spectroscopy (AAS). … …American Journal of Environmental Sciences, Vol. 4, Issue 4 · 31 Aug 2008 · 7,485 accessesView PDFCite
Research ArticleOpen accessIn the abstractA New Spectrophotometric Method for Determination of Iron in Herbs, Spices and Beans with 2,6-Diacetylprydine Dioxime and 2-Acetylpyridine MonoximeZ. R. Komy, E. A. Abu-Gharib, A. DesokyThe reaction of iron (II) with 2, 6-diacetylprydine dioxime (H2dapd) and 2-acetylprydine monoxime (Hapm) in 10% and 60% v/v ethanol-water solution at pH 2.5 and 7.5, respectively, were studied using direct and first derivative spectrophotometry. Fe (III) is reduced by H2dapd and gives iron (II) complex. A simple, rapid, selective and sensitive method for the determination of Fe (II), Fe … …American Journal of Applied Sciences, Vol. 2, Issue 4 · 30 Apr 2005 · 6,960 accessesView PDFCite
Research ArticleOpen accessIn the abstractInfluence of Cement Chemistry on the Performance of Cement Stabilized Tropical Lateritic SoilOdumade Adegboyega Oduniyi, Ezeah Chukwunonye, Charles Nnamdi Ezugwu, Ekeoma EmmanuelChemical composition affects overall performance of cement on other materials such as when used in concrete or for stabilization of lateritic soil. This research studied the influence of chemical composition of three Portland cement types represented as samples A, B and C on engineering performance when mixed with laterite under tropical environmental conditions.The Lateritic soil sample classified according to AASHTO … …American Journal of Engineering and Applied Sciences, Vol. 11, Issue 2 · 21 May 2018 · 8,804 accessesView PDFCite