[ad_1] ABSTRACT Ten representative soil samples were collected along major gutters within Nkpormetropolis. The soil samples were digested using mixtures of HF and aqua regiain ratio1:1. The heavy metals contents of the digested soil samples…
Read More[ad_1] CHAPTER ONE INTRODUCTION 1.1 BACKGROUND TO THE STUDY Water pollution is any form of damage to the physical, chemical and biological characteristics of water which then affect the quality and suitability for any designated…
Read More[ad_1] ABSTRACT A number of five different samples of baby foods were analysedusing an Atomic Absorption Spectromerfor the presence of Cr, Cd, Cu, Pb, and As. All the results were compared with the data from…
Read More[ad_1] ABSTRACT Water samples from ground water and some rivers from Owerri Local Government Area of Imo state Nigeria, were investigated for contaminants and heavy metals. The results obtained showed that in the month of…
Read More[ad_1] ABSTRACT Synthesis of twelve O-arylated diazabenzo[a]phenoxazine-5-one and itscarbocyclic analogue is reported in 46 – 99 % yields. The intermediateswere prepared by anhydrous base catalyzed reaction of 2,3-dichloro-1,4-naphthoquinone with 4,5-diamino-6-hydroxyl-2-mercaptopyrimidine and 2-aminophenol. The O-arylation…
Read More[ad_1] ABSTRACT Yusuf Otaru Sadiq, Liquid Fuel Burninq SystemFor Ceramic Finding, Master of Arts, Industrial Design,September, 1990. 78 pages, 4 plates, 10 figures, 26references, 5 appendices.This study is concerned with designing calibratingand operating a liquid…
Read More[ad_1] TABLE OF CONTENTS Title PageDeclarationCertificationDedicationAcknowledgementAbstractTable of ContentsList of TablesList of FiguresCHAPTER ONE1.1 Introduction …………………………………………………………………………………. 11.2 Background of the Study …………………………………………………………………. 11.3 Statement of the Problem ………………………………………………………………… 31.4 Objective of Study ………………………………………………………………………… 4CHAPTER TWO2.0 Literature…
Read More[ad_1] ABSTRACT The kinetics and mechanisms of the redox reactions of μ-oxo-bridged iron(III) complex ionNa4[(FeEDTA)2 O].12H2O denoted as Fe2 O4+, with the thiols-2-mercaptobenzothiazole(MBSH), 2-mercaptophenol(PhSH), 2-mercaptoacetic acid (MSH), and l-cysteine (RSH) have been investigatedin aqueous perchloric…
Read More[ad_1] ABSTRACT The effectiveness of alum and potassium sesquicarbonate wasstudied by incorporating various concentrations of the flameretardants into the polyurethane foam sample. Theflammability tests were carried out and the results showedthat as the concentration of…
Read More[ad_1] ABSTRACT Heavy metal concentrations and degradation efficiency of total petroleum hydrocarbons(TPHs) on environment in Ibeno Local Government Area, Akwa Ibom State, Nigeria wasinvestigated. Experimental design method was adopted for this study. Fifteen compositesamples each…
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