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...
Open access
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
Twenty-one novel chromophoric chain β-substituted butadienyl asycyanine colorants have been synthesized by catalytic condensation of (i) dimethylaminostyryl phenyl ketone, (ii) 4ʹ-dimethylaminostyryl-4ʹ-nitrophenyl ketone and (iii) 4ʹ-dimethylaminostyryl-4ʹ-methoxyphenyl ketone w...
Open access
Research Article10.9734/CSJI/2019/v26i230090
A very simple, ultra-sensitive and highly selective non-extractive spectrophotometric method for the determination of trace amounts of lead using 5,7-dibromo-8-hydroxyquinoline (DBHQ) has been developed. DBHQ reacts in a slightly acidic (0.0006-0.0025 M HCl) aqueous solution with...
Open access
Research Article10.9734/CSJI/2019/v26i230087
Red Onion skin extract (ROSE)- azo compound of 2-aminophenol and Cu (II) metal complex of the azo compound (Cu-APmROSE) were formed and characterized using FT-IR spectroscopy, UV-Visible absorption spectroscopy and Scanning electron microscopy. The IR Spectra showed the values of...
Open access
Research Article10.9734/CSJI/2019/v26i230086