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...
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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
Management and disposing of used lubricating oil (ULO) poses deleterious effects to air, land and water pollution. These contaminants not only causes environmental problems, they also have bio-accumulation effects on living organisms, reduces the inhabitants lifespan as a result...
Open access
Research Article10.9734/CSJI/2019/v26i430101
Microbial population and their activities in soil are important measure of soil biological activities as well as its health. The present study was conducted to access the impact of application of green manure and cellulose degrading bacterial consortium on the soil amylolytic bac...
Open access
Research Article10.9734/CSJI/2019/v26i430100
We prepared 1-tosyl-2-trifluoroacetylindole - a novel example of an electron-deficient indole with an electrophilic C(3) position. This substance was involved in cyclocondensation with a variety of amidines to propose a new general pathway to 8H-[4,5-b]indolopyrimidines with yiel...
Open access
Research Article10.9734/CSJI/2019/v26i430099
Lamoussa Ouattara, Kafoumba Bamba, Mamadou Guy-Richard Koné, Jean Stéphane N’dri, Kouakou Nobel N’Guessan, Ouattara Pierrre Massapihanhoro & Diarrassouba Fatogoman·Chemical Science International Journal·2019
We focused on a series of coumarin derivatives in this work. The method of Density Functional Theory (DFT) of quantum chemistry has been used at B3LYP / 6-31G (d, p) level in order to identify molecular descriptors which are useful for this study. The analysis of the statistical...
Open access
Research Article10.9734/CSJI/2019/v26i430098
Twenty five different brands of sachet water produced in Ado-Ekiti metropolis have been analysed for drinking water quality using standard analytical method. The result obtained for all the water samples indicated a pH range of 6.06 - 7.96, total solid (TS) 40.00 – 120.00 mg/l,...
Open access
Research Article10.9734/CSJI/2019/v26i430097
Activated carbon was prepared from Caesalpinia pulcherrima husk (CPH) by chemical activation method using phosphoric acid as an activating agent. The activated sample was characterized based on the physical properties. The experimental data were fitted to Langmuir, Freundlich a...
Open access
Research Article10.9734/CSJI/2019/v26i330096
Waste materials (carbide slurry and waste cooking oil) were explored in esterification and transesterification reactions as a viable alternative to a sustainable transport fuel production. The Fourier transformed infrared spectroscopy (FTIR), Atomic absorption spectroscopy (AAS)...
Open access
Research Article10.9734/CSJI/2019/v26i330095
Aims: Synthesis of Strontium oxide (SrO) is very remarkable for its applications in electrodes for gas sensors, lithium-ion batteries, solar cells, doped dye-sensitive solar cells, transistors, catalyst supports, super capacitors and semiconductors. This study aims to synthesize...
Open access
Research Article10.9734/CSJI/2019/v26i330092
Use of botanical environmentally friendly and biodegradable insect repellants as opposed to chemical insecticides is increasingly becoming important as an alternative method of insect control. Housefly (Musca domestica L.) has potential of transmitting pathogen causing diseases s...
Open access
Research Article10.9734/CSJI/2019/v26i330093
Reactive disperse dyes containing monochlorotriazine/sulphatoethylsulphone reactive moieties were synthesized by condensing aniline with cyanuric chloride and further reacting it with a series of monoazo dyes obtained by diazotising 1-aminobenzene-4-β-sulphatoethylsulphone and co...
Open access
Research Article10.9734/CSJI/2019/v26i330094
Oinam U-wang, R. K. Bhubon Singh, W. Bembee Devi, U. Ibotomba Singh, R. K. Bindiya Devi, O. Bijeta Devi, Ramina ., Th. Surchandra Singh & Toka Swu·Chemical Science International Journal·2019
(E)-1-((pyridin-2-yl)methylidene)semicarbazide (PMSC) complexes of [Mn(PMSC)2 ]Cl2 (1), [Co(PMSC)2]Cl2 (2), [Ni(PMSC)2]Cl2.5H2O (3), and [Cu(PMSC)(H2O)]Cl2 (4) have been synthesized and characterized by different spectroscopic techniques, EPR, magnetic susceptibility and thermal...
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Research Article10.9734/CSJI/2019/v26i230091
Turdialieva Shahzoda, Alimov Umarbek Kadyrbergenovich, Namazov Shafoat Sattarovich, Seytnazarov Atanazar Reypnazarovich & Beglov Boris Mikhaylovich·Chemical Science International Journal·2019
In the paper the processes of carboammophos and carboammophos potassium preparation based on the ammonization of the samples by evaporated wet phosphoric acid (WPA) (35.92; 40.85; 46.41; 51.07% P2O5) to pH = 5.3 (to obtain ammophos pulp) and pH = 7.0 (to obtain diammophos pulp) w...
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Research Article10.9734/CSJI/2019/v26i230089