The present analysis is to study the boundary layer flow of an incompressible, steady combined free-forced convection and mass transfer flow over a vertical porous plate embedded in a porous medium with the effects of heat source/sink, suction/injection and thermal diffusion unde...
Open access
Research Article10.9734/ACSJ/2015/16257
The phase equilibria in the YbTe-PbTe-Bi2Te3 system were investigated by means of differential thermal analysis (DTA), X-ray diffraction (XRD) and scanning electron microscope with energy dispersive analysis (SEM-EDS) techniques. Isothermal sections at 300 and 800 K, the liquidus...
Open access
Research Article10.9734/ACSJ/2015/16932
Edwin Andrew Ofudje, Olubunmi Kolawole Akiode, Gabriel Opeoluwa Oladipo, Adebusayo Emmanuel Adedapo & Lateefah Olanike Adebayo·Chemical Science International Journal·2015
The generation of electronic waste (e-waste) has increased due to the advancement in electrical and electronic industries. E-waste is term used to describe unwanted electronic products. E-waste contained toxic heavy metals such as barium, cadmium, chromium, copper, arsenic, zinc,...
Open access
Research Article10.9734/ACSJ/2015/16113
Andreia Santos do Nascimento, Luis Carlos Marchini, Carlos Alfredo Lopes de Carvalho, Diogo Feliciano Dias Araújo, Ricardo Alves de Olinda & Talita Antonia da Silveira·Chemical Science International Journal·2015
The objective of this study was to evaluate the physico-chemical quality of honeys samples of stingless bee (Meliponinae). Physico-chemical analyses were: moisture, color, pH, acidity, electrical conductivity, hydroxymethylfurfural, ashes, diastasic activity, reducing sugars, and...
Open access
Research Article10.9734/ACSJ/2015/17547
This paper describes a multi response optimization methodology in combination with experimental design as a powerful technique for development of a RP-UPLC method for the simultaneous determination of losartan potassium and hydrochlorothiazide in combined dosage forms. The respon...
Open access
Research Article10.9734/ACSJ/2015/16233
This paper presents simultaneous quantification of mefloquine hydrochloride (MEFQ) and artesunate (ARTS) by HPTLC and RP-HPLC methods in combined tablet formulation. In RP-HPLC method, the drugs were resolved using a mobile phase of methanol-phosphate buffer (70:30, v/v) with pH...
Open access
Research Article10.9734/ACSJ/2015/16292
Equilibrium adsorption studies of phenol onto activated carbon prepared from groundnut husk was investigated for effectiveness. Groundnut husks were washed, dried at temperatures between 110°C and 160ºC, pulverized and finally activated at 200°C for 3 hours. Optimum conditions of...
Open access
Research Article10.9734/ACSJ/2015/17305
The oxidation of indolic beta blocker Carvedilol in the presence of Potassium Perxodisulfate (PDS) in 40% methanol-water has been studied using spectrophotometric method. It has been found that, oxidation reaction starts with electrophilic attack of PDS species on the protonated...
Open access
Research Article10.9734/ACSJ/2015/16986
Edwin Andrew Ofudje, Olubunmi Kolawole Akiode, Gabriel Opeoluwa Oladipo, Adebusayo Emmanuel Adedapo & Lateefah Olanike Adebayo·Chemical Science International Journal·2015
The evaluation of open blazing of electronic waste on the chemical composition of three different soil where e-waste were regularly being burnt with control samples at various distances away from each blazing site at computer village, Ikeja, Lagos, Nigeria was carried out using A...
Open access
Research Article10.9734/ACSJ/2015/16114
Biodiesel production from algae oil by transesterification reaction using ultrasonic irradiation on heterogeneous catalyst was done at atmospheric condition to make the process sustainable and parsimonious. Ultrasonication reduces the reaction time as compared to the conventional...
Open access
Research Article10.9734/ACSJ/2015/17259