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作者:Febri Odel Nitbani , Jumina , Dwi Siswanta ...
来源:[J].Oriental Journal of Chemistry, 2018, Vol.34 (2)
摘要:An improvement of method for synthesizing 1-monolaurin from lauric acid and glycerol has been done. The reaction was carried on mol ratio between lauric acid and glycerol 1:1 at 130°C for 6 h with variation of pTSA catalyst of 2.5%, 5%, 7.5% (w/w of lauric acid).The purifica...
作者:Simon Sembiring , Agus Riyanto , Wasinton Simanjuntak ...
来源:[J].Oriental Journal of Chemistry, 2017, Vol.33 (4)
摘要:This study acquires the potential of rice husk silica for production forsterite precursors using sol-gel method. The samples preparation were conducted by mixing magnesium oxide sol from Mg(NO3)2.6.12H2O with silica sol extracted from rice husk, with three different composition r...
作者:A. K. Patsayev , B. K. Makhatov , A. Y. Bukharbayeva ...
来源:[J].Oriental Journal of Chemistry, 2017, Vol.33 (3)
摘要:Astragalus alopecias is one of the valuable traditional medicinal herbs that exhibits a line of biological activities. In this research, the content of Astragalus alopecias flavonoids were studied. From the generative and vegetative organs astragalus identified a number of active...
作者:Amel Gharbi , Abdelaziz Himour , Sihem Abderrahmane ...
来源:[J].Oriental Journal of Chemistry, 2017, Vol.34 (1)
摘要:The corrosion inhibition of AISI309 austenitic stainless steel by 2,2'-Bipyridyl in 0.5M H2SO4 at 298K was studied using the mass loss’ method, the potentiodynamic polarization (Tafel), the linear polarization (LRP) and the electrochemical impedance spectroscopy (EIS). The r...
作者:Nagima Dzhakipbekova , Saule Sakibayeva , Erzhan Dzhakipbekov ...
来源:[J].Oriental Journal of Chemistry, 2018, Vol.34 (4)
摘要:The creation of new polymer reagents from their synthesis in the laboratory to their industrial production as an ointment is relatively long and expensive process. Therefore, the most promising and justified way is to expand the range of polymer reagents by modifying the alr...
作者:Firman Sebayang , Helmina Sembiring
来源:[J].Oriental Journal of Chemistry, 2017, Vol.33 (1)
摘要:The using of carboxymethyl cellulose (CMC) from palm midrib as stabilizer on ice-cream making is done in three steps. First step is isolation process of α-cellulose from palm midrib powder, FTIR analysis shows that the compound is a cellulose molecule. The second step is alk...
作者:Kirti Yadav , Vandana Sharma , P.C. Choyal ...
来源:[J].Oriental Journal of Chemistry, 2017, Vol.33 (4)
摘要:Extraction of metal cation through liquid membrane is one of the important application of supramolecular chemistry. This work investigates the use of synthetic carrier (ionophore) for the extraction of transition metal cations. In this work effect of light on extraction of metal ...
作者:O. K. Beysenbayev , M. Esirkepova
来源:[J].Oriental Journal of Chemistry, 2017, Vol.34 (1)
摘要:An extraction method of oil-bituminous rocks organic component from the mineral one by ultrasonic treatment method of oil-bituminous rocks, as well as oil and oil products from contaminated soil using available solvents in the presence of surfactants based on a gossypol resi...
作者:Setiaty Pandia , Mersi Suriani Sinaga , Zuhrina Masyithah ...
来源:[J].Oriental Journal of Chemistry, 2017, Vol.34 (1)
摘要:The object of this study was to discover the effectiveness of the shell of rubber fruit as bio sorbent for removing peroxide number in CPO (Crude Palm Oil) and heavy metals (Cu, Ni) contained in Metal Coating Industry’s wastewater. Methods used were pretreatment, activation ...
作者:Santhoshi G Rajamahanti , Annapurna. N , Santosh T ...
来源:[J].Oriental Journal of Chemistry, 2017, Vol.33 (3)
摘要:A new RP- HPLC method was developed and validated for the estimation of aceclofenac and thiocolchicoside in their tablet dosage form. The chromatographic separation was carried out by using Agilent Zorbax column (150 × 4.6mm, 5µm). The mobile phase containing the combination...

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