Rafael do Nascimento Pereira, Francisco Sávio Gomes Pereira, Chesque Cavassano Galvão, Ana Maria Ribeiro Bastos da Silva, Valdinete Lins da Silva, Maria Aparecida Guilherme da Rocha & Nelson Medeiros de Lima Filho·Chemical Science International Journal·2016
This study shows viability energetic with residual frying oils. The oils collected and filtered were characterised in some analytical parameters and converted into biodiesel by homogeneous alkaline transesterification (molar ratio of 6:1, methanol: oil, 60 minutes, 60°C, and stir...
Open access
Research Article10.9734/CSJI/2016/29455
Aims: The study aimed to use different analytical techniques for determination Selenium, related to patients with chronic hepatitis (B). Study Design: Selenium was estimated by using AAS and ICP-MS and The analytical results undergoes comparison for priority of the methods. One h...
Open access
Research Article10.9734/CSJI/2016/29186
The hydrogen type sulfonic resin 732 cation-exchange resin (732-CR) was applied to exchange Mg(II) from aqueous solution. The ion exchange kinetics were studied in batch experiments at temperature range of 298-328 K and Mg(II) concentration range of 5-40 mol·m-3. The kinetic data...
Open access
Research Article10.9734/CSJI/2016/29509
Series of substituted heterocyclic Chalcones 3-aryl-1-(thiophen-2-yl) prop-2-en-1-one 1-9 had been prepared by using Claisen-Schmidt condensation. In addition, series of substituted Schiff bases N-arylidene benzylamines 10-13 were prepared by the condensation of benzyl amine with...
Open access
Research Article10.9734/CSJI/2016/29734
Morpholinium glycolate was found to be highly potent and reusable ionic liquid as a catalyst for the synthesis of dihydropyrano[2,3-c]pyrazol-5-carbonitriles via a one-pot multicomponent condensation reaction of aryl aldehydes with ethyl acetoacetate, hydrazine hydrate, and malon...
Open access
Research Article10.9734/CSJI/2016/29519
Alexandre Ricardo Pereira Schuler, Francisco Sávio Gomes Pereira, Valmir Felix de Lima, Santulla Leide Bernardes Vasconcelos Carvalho & Antonio Demóstenes de Sobral·Chemical Science International Journal·2016
In this work it was carried out the chromatographic characterisation of vegetable oils (castor, soybean, cotton and jatropha) and animal fats (beef tallow and chicken fat), considered as potential feedstocks for biodiesel production. The samples were transesterefied in microscale...
Open access
Research Article10.9734/CSJI/2016/29458
Densities and Ultrasonic velocities of glycerin and dextrose in Na2CO3 and NaHCO3 buffer solutions have been determined experimentally at 308 and 313K. From these experimental results the adiabatic compressibility Ks, acoustic impedance Z, intermolecular free length Lf, relative...
Open access
Research Article10.9734/CSJI/2016/28872
The antioxidant potentials of Butylated hydroxytoluene (BHT) and L-Ascorbic acid (L-AA) in CCl4-induced tissue damage were compared in adult female Wistar rats. Toxicity was induced in the animals via a single dose (i.p) of 20% 2 mL/Kg body weight (BW) of CCl4. BHT and L-ascorbic...
Open access
Research Article10.9734/ACSJ/2016/16762
This study aims to synthesizing Fe (II) nanoparticles with green synthesis method. For this purpose fungal isolate was chosen from the most potent four isolates and its metallotolerance ability towards Fe (II) was studied. Extracellular and intracellular biosynthesis of the nanop...
Open access
Research Article10.9734/ACSJ/2016/28674
Organic semiconducting oligomers containing three to nine heterocyclic units and based on 1,4-dimethoxybenzene, thiophene and thiazole have been studied by DFT and TDDFT at the B3LYP/6-31G(d,p) level. The energy of each molecule, those of the frontier orbitals HOMO and LUMO, the...
Open access
Research Article10.9734/ACSJ/2016/29235