The concentrations of five essential metals in six selected (NAN, Cowbell, MY BOY, CERELAC, FRISO GOLD and NUTREND) infant formulae sold in Makurdi metropolis, were determined using Atomic Absorption Spectrophotometer. Data collected were subjected to Analysis of Variance using S...
Open access
Research Article10.9734/CSJI/2019/v27i330116
Environmental pollution by heavy metals is presently a serious threat to public health. Despite the toxic contaminants contained in municipal waste, most of the dumpsites remain unregulated and uncontrolled. The objective of this study was to determine the levels of Pb, Cr and Cd...
Open access
Research Article10.9734/CSJI/2019/v27i330117
Fluorine is a highly reactive element and readily hydrolyzes to form hydrogen fluoride and oxygen. Hydrogen fluoride reacts with many materials both in the vapor phase and in aerosols. Fluorides are naturally-occurring components of rocks and soil and are also found in air, water...
Open access
Research Article10.9734/CSJI/2019/v27i330115
In the upstream sector, gum in condensate causes significant erosion in value worth millions of dollars per annum and increases operational cost due to high injection concentration of conventional antioxidants. Phenolic compounds are commonly used at low concentrations in the dow...
Open access
Research Article10.9734/CSJI/2019/v27i330114
Physico-chemical indices of waters from Ogunpa River were examined for locational differences; seasonal variation; and to know if gradient effect is associated with the pollution dynamics. Data obtained were analyzed and compared with WHO thresholds for those parameters in water....
Open access
Research Article10.9734/CSJI/2019/v27i330113
The seed of avocado is considered as one of the non-edible part of the fruit, which are usually discarded as residues and can cause ecological problems. Exploring the possible dietary and therapeutic potentials of especially such underutilized wastes will in addition reduce the p...
Open access
Research Article10.9734/CSJI/2019/v27i230112
Background and Aim: Undoubtedly, controlling the maximum entry of heavy metals into the food is one of the measures which should be taken into account in order to maintain the food consumers' health and achieve the food safety. The sensitivity and importance of this issue are dou...
Open access
Research Article10.9734/CSJI/2019/v27i230111
The main objective of this paper handsheet study is to investigate if a hybrid filler material containing wood flour and precipitated calcium carbonate can replace and/or supplement commercially available ground calcium carbonate and precipitated calcium carbonate mineral filler...
Open access
Research Article10.9734/CSJI/2019/v27i230110
Paraffinic crude oils are desirable because of their high content of saturated hydrocarbons but may present handling challenges due to crystallization of high molecular weight paraffin at low temperatures. The prediction of wax properties and behavior of waxy crude oil is importa...
Open access
Research Article10.9734/CSJI/2019/v27i230109
Agricultural activities, discharge of raw sewage into farms and the rise in urbanization have greatly contributed to soil pollution. During the rainy season, surface runoff from farms find their way into water bodies and deposits these contaminants into Rivers and Lakes which pos...
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Research Article10.9734/CSJI/2019/v27i230108
Organochlorine Pesticides (OCP) are organic compounds obtained by the chlorination of various unsaturated hydrocarbons. They are very toxic and therefore belong to the family of persistent organic pollutants. If formerly these pesticides were used to fight against certain vectors...
Open access
Research Article10.9734/CSJI/2019/v27i130107
This study was focused on the synthesis of cobalt nanoparticles using Mangifera indica leaf extract and the characterization of the particles via UV–Vis spectroscopy, XRD, FT-IR and SEM. The XRD results showed the formation of cobalt nanoparticles that was crystalline in nature,...
Open access
Research Article10.9734/CSJI/2019/v27i130106
The soil and edible vegetable samples were collected from Obudu Urban Area of Cross River State and were digested and analyzed for the Cd, Co, Cr, and Fe (heavy metals) concentration using Atomic Absorption Spectrometer (AAS) in the University of Calabar Laboratory. The eight veg...
Open access
Research Article10.9734/CSJI/2019/v27i130105
Vanillin (4-hydroxy-3-methoxybenzaldehyde) is the major flavour constituent of vanilla. It has a wide range of applications in food industry and in perfumery. Vanillin is also very useful in the synthesis of several pharmaceutical chemicals. Lignin is a phenolic polymer which is...
Open access
Research Article10.9734/CSJI/2019/v27i130104
Oreste Piccolo, Stefano Paganelli, Pietro Zanatta, Sebastiano Tieuli, Laura Sperni, Franco Baldi, Michele Gallo, Iztok Arčon & Katarina Vogel-Mikuš·Chemical Science International Journal·2019
Aims: Preparation of the new metals-polymeric composite, Metx-EPS (I), to be used as a green catalyst in water or in two-phase aqueous conditions. Study Design: Recovery and valorization of polymetallic wastes to obtain directly new catalysts using a microorganism to explore the...
Open access
Research Article10.9734/CSJI/2019/v27i130103