B: Chemistry (148)
GJSFR: B
Evaluation of Pure and Ag-Doped Tio2 Films in the Photocatalytic Activity of Phenol
Published In: GJSFR Part: B: Chemistry Volume: 15 Issue: 2
Pure TiO2 films, modified by the addition of Degussa P25 powder and Ag-doped were synthesized using sol-gel route and immobilized in borosilicate support at different withdrawing rates and dipping time. They were characterized by X-ray diffractometry, scanning electronic microscopy and high-resolution field-emission gun scanning electronic microscopy. Their photocatalytic activities unde...
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Authors Adriana B. Arau00c3u00bajo, Su00c3u00b4nia M. A. Jorge, Pedro M. Padilha, Dorotu00c3u00a9ia F. Bozano, Gustavo R. Castro, Ariovaldo O. FlorentinoRead Journal Click Here
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Page No. 17 to 23
Asphalt Chemistry
Published In: GJSFR Part: B: Chemistry Volume: 15 Issue: 2
The students were taught to generate oil (binder) from recycled asphalt pavement (aggregate) using a BuchiRotavapor R-15 for submission for elemental analysis (C, N, H,O) and engineering rheology testing and microbial growth. We obtained 18 samples from Oklahoma Department of Transportation divisions and two construction companies to compare the physical and chemical properties of these ...
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Authors Sharon A. Lewis, Terry Phillips, Kayla Love, Martell McKinney, Quintessa Jackson, Denzel Pugh, Evann Comeaux, Lindsay Davis, Megan Bowlin, Rajah Singh, Phoebe Carter, Nichole Newman, LeMarcus Lott, Ryan Johnson, Brittany Vann and Mehari FuturRead Journal Click Here
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Page No. 1 to 6
A Comparative Study of Adsorption Kinetics and Mechanisms of Zinc (Ii) Ion Sorption using Carbonized and modified Sorghum (Sorghum Bicolor) Hull of Two Pore Sizes (150µm and 250µm)
Published In: GJSFR Part: B: Chemistry Volume: 15 Issue: 1
Aim of this study was to investigate the use of modified and carbonized SorghumHull of two different pore sizes (150μm and 250μm meshes)inthe removal of Zinc (II) ion from aqueous solution. The effect of contact time (20,40, 60, 80 and 100) minuteswere investigated and reported. The maximum adsorption for 150μm and 250μm were at 40th and 60th minutes respectiv...
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Authors Imaga C.C,Abia A.ARead Journal Click Here
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Page No. 25 to 37
Contamination of Toxic Heavy Metal in Locally Made Plastic Food Packaging Containers
Published In: GJSFR Part: B: Chemistry Volume: 15 Issue: 1
Human exposure to toxic heavy metals creates a major health hazards. The main objectives of our study was to examine the concentration of toxic heavy metals like Lead (Pb), Copper(Cu), Nickel(Ni), Zinc(Zn), Manganese(Mn), Chromium(Cr) and Cadmium(Cd) in locally made food containers purchased from various districts of U.P (India). All samples are analyzed at 60±2°C for 2hr...
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Authors Saimah Khan, Abdul Rahman KhanRead Journal Click Here
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Page No. 19 to 23
Adsorption Equilibrium Study of Lead and Zinc on Rice Husk From Aqueous Solution
Published In: GJSFR Part: B: Chemistry Volume: 15 Issue: 1
In this study the adsorption property of rice husk of varied particle sizes (150 μm and 500μm) was examined in the removal of lead and zinc in synthetic solution. The adsorption was done in batches; the effect of concentration, temperature, pH and contact time was examined on the adsorption and the data were fitted into different models such as Langmuir, Freundlich, Temkin,...
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Authors Onipede, O.J., Oshodi, A.A., Enahoro, P.O.Read Journal Click Here
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Page No. 9 to 18
Chemical and Physical Analysis of Drinking Water from Shallow Wells and Bore Holes in Thovalai and Vilavancode Taluk
Published In: GJSFR Part: B: Chemistry Volume: 15 Issue: 1
A study was conducted in Thovalai and Vilavancode Taluks in Kanyakumari District of Tamil Nadu to evaluate the Status of drinking water from shallow wells and bore-holes with respect to different physic-chemical parameter Temperature, pH, turbidity, alkalinity, hardness, salinity, fluoride, chloride total dissolved solids, dissolved oxygen, BOD, electrical conductivity total nitrogen, ni...
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Authors A.M. Alice Margret, A.Amal Raj, T.CitarasuRead Journal Click Here
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Page No. 1 to 8
The Mechanism of Hail Formation and a Method to Prevent it
Published In: GJSFR Part: B: Chemistry Volume: 14 Issue: 7
The new hypothesis about the building mechanism of hail showers is made under atmosphere conditions. It is suggested, contrary to other famous theories that hail showers building is stipulated by the generation of high temperature in lightning strike in atmosphere. Quick water evaporation along and around the discharge channel leads to its rough freezing with the advent of hail showers o...
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Authors Sokhrab IsmailovRead Journal Click Here
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Page No. 21 to 29
Phytochemical and Therapeutic Studies of the Fruit Essential Oil of Thujaorientalis from Nigeria
Published In: GJSFR Part: B: Chemistry Volume: 14 Issue: 7
The aim of this study was to establish correlations between the identified phytocompounds in the fruit essential oil of Thuja orientalis from Nigeria and their medicinal properties (free radical scavenging, antioxidant and antimicrobial). Forty-seven compounds were identified in the fruit essential oil of T. orientalis making up 97.5% of the total percentage composition. The essential oi...
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Authors Ololade Z.S., Fakankun O.A., Alao, F.O., Udi O.U.Read Journal Click Here
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Page No. 15 to 20
Ocimum Basilicum Var. Purpureum Floral Essential Oil: Phytochemicals, Phenolic Content, Antioxidant, Freeradicalscavenging, Antimicrobial Potentials
Published In: GJSFR Part: B: Chemistry Volume: 14 Issue: 7
This study examined the phytochemicals and medicinal properties of the floral essential oil of O. basilicum var. purpureum from Nigeria. The GC and GC-MS analyses revealed the presence of twenty-five organic compounds making up 99.7% of the total percentage composition of the essential oil. The most abundant components was phenolic compound called methyleugenol (15.5%), followed by 2- ph...
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Authors Ololade Z.S., Fakankun O.A., Alao, F.O., Udi O.U.Read Journal Click Here
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Page No. 31 to 37
Assessment of Groundwater Quality around Two Major Active Dumpsites in Lagos, Nigeria
Published In: GJSFR Part: B: Chemistry Volume: 14 Issue: 7
This paper presents the results of physico-chemical parameter data and water quality index used to assess the groundwater quality around Olusosun and Solus dumpsites in Lagos southwest, Nigeria. Twenty (20) water samples each were collected in wells and boreholes around these two dumpsites, once in two months consecutively for two years. The parameters determined include pH, acidity, alk...
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Authors Adeyi, A. A., Majolagbe, A.O.Read Journal Click Here
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Page No. 1 to 13
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Physical Properties of Polymer Filled with Inorganic (Granite) Filler
Published In: GJSFR Part: B: Chemistry Volume: 14 Issue: 6
In this study the physical properties such as the thermal conductivity, thermal diffusivity, porosity and density of the epoxy composites were characterized as a function of weight fraction of granite. According to the test results, addition of granite increases the thermal properties of the composites. This is due to the smaller interfacial thermal barrier at the interface between the p...
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Authors Aseel.A.KareemRead Journal Click Here
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Page No. 23 to 26
Synthesis of New Macrocycles of Ortho-Methoxy Salicylaldehyde using Claisen-Schmidt Condensation
Published In: GJSFR Part: B: Chemistry Volume: 14 Issue: 7
In this research prepared some new families of macrocycles by reaction of ortho-methoxy salicylaldehyde sequently with ketone by claisen-Schmidt condensation. Claisen-Schmidt condensation proceed under base or acid catalysis, at moderate temperature, in high atom economy and with water as the sole by product. Macrocycle were characterized by IR, NMR and Mass spectroscopie. ...
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Authors Shana Balchi, Alireza BanaeiRead Journal Click Here
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Page No. 39 to 42
Novel Aspects of Domino Reaction of Indoles withHomo-Phthalaldehyde and Tere-phthalaldehyde
Published In: GJSFR Part: B: Chemistry Volume: 14 Issue: 6
In the present work domino reaction of indole with homophthaladehyde (1) have been investigated for the first time. The reaction have been done in presence of glacial acetic acid as catalyst and solvent afford the novel un probable mixture of two isomers A and B of benzo[7]anulene (2) that couldn’t be divided accompany with the formation of the predictable tetraindole (3...
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Authors Mardia T. El Sayed, Khadiga M. Ahmed, Kazem Mahmoud, Andreas HilgerothRead Journal Click Here
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Page No. 15 to 21
Storage and Operational Stability of pH-Responsive Hydrogels
Published In: GJSFR Part: B: Chemistry Volume: 14 Issue: 6
Hydrogels have proven their ability to respond to changes in the local environment [1-6]. While the results obtained by many researchers highlight the promising nature of hydrogels in biomedical sensors, work has yet to be done to demonstrate the ability of hydrogels to maintain a response after being stored for an extended period of time, and to demonstrate the ability to maintain a str...
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Authors Jeffrey Bates, Jules MagdaRead Journal Click Here
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Page No. 5 to 14
