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作者:Ahmed Fawzy , Ishaq Zaafarany , Naeema Yarkandi ...
来源:[J].Science Journal of Chemistry, 2016, Vol.4 (1)SciencePG
摘要:In aqueous alkaline medium, the kinetics of oxidation of methylaminopyrazole formamidine (MAPF) by hexacyanoferrate(III) (HCF)has been studied spectrophotometrically under the conditions, MAPF >> HCF at a constant ionic strength of 0.1 mol dm-3 and at 25°C. The re...
作者:Ayuk Eugene Lakem , Nweke Cletus M. , Agu Ifeoma S.
来源:[J].Science Journal of Chemistry, 2016, Vol.4 (1)SciencePG
摘要:The synthesis of non-linear diaza and tetraaza dichlorophenothiazine derivatives is reported in this article. This was achieved through the thiocyanation of 2,6-diamino-4-chloropyrimidine using potassium thiocyanate, bromine and glacial acetic acid at –5°C to give 2,6-diamin...
作者:Michael Ifeanyichukwu Ugbaja , Amali Ejila , Paul Andrew Mamza ...
来源:[J].Science Journal of Chemistry, 2016, Vol.4 (2)SciencePG
摘要:The water vapourpermeability and wet rub fastness of leathers finished with acrylic polymer based resin binder was carried out using the popular water vapour permeability cup method and the VESLIC test method respectively. Five formulations (125 g, 150 g, 175 g, 200 g and 250 g) ...
作者:Ahmed Fawzy , Ishaq A. Zaafarany , Khalid S. Khairou ...
来源:[J].Science Journal of Chemistry, 2016, Vol.4 (2)SciencePG
摘要:The kinetics of oxidations of caffeine by permanganate ion in both perchloric and sulfuric acids solutions have been investigated spectrophotometrically at a constant ionic strength of 1.0 mol dm-3 and at 25°C. In both acids, the reaction-time curves were obtained...
作者:Mahendra Kumar Trivedi , Alice Branton , Dahryn Trivedi ...
来源:[J].Science Journal of Chemistry, 2016, Vol.4 (4)SciencePG
摘要:The objective of the current experiment was to evaluate the effect of biofield energy treatment on the isotopic abundance ratio of PM+1/PM (2H/1H or 13C/12C or 15N/14N) in indole using th...
作者:Guiyun Hang , Wenli Yu , Tao Wang ...
来源:[J].Science Journal of Chemistry, 2016, Vol.4 (3)SciencePG
摘要:To research the adsorption mechanism of water on composition B crystal surfaces and the effect on mechanical properties and sensitivity of explosive, the crystal model of composition B was established by Material Studio (MS). The adsorption process was simulated and the mechanica...
作者:Bernard Dabole , Rostanie Zeukang , Alex de Theodore Atchade ...
来源:[J].Science Journal of Chemistry, 2016, Vol.4 (3)SciencePG
摘要:Phytochemical investigation of the roots and stem barks of Cordia platythyrsa (Boraginaceae) had led to the isolation of two new cinnamates, the cordicinnamate A compound 1 and the cordicinnamate B compound 2 along with four known compounds. Their structures were established...
作者:Ahmed Fawzy , Ishaq A. Zaafarany , Ismail I. Althagafi ...
来源:[J].Science Journal of Chemistry, 2016, Vol.4 (5)SciencePG
摘要:Oxidation kinetics of L-citrulline (Cit) by hexachloroplatinate(IV) (HCP) was studied spectrophotometrically in perchloric acid solutions in the presence of ruthenium(III) catalyst at a constant ionic strength of 1.8 mol dm-3 and at 20°C. The reaction rate was ver...
作者:Ahmed Fawzy , Rabab J. Jassas , Ismail I. Althagafi ...
来源:[J].Science Journal of Chemistry, 2016, Vol.4 (6)SciencePG
摘要:The oxidation kinetics of fluorene (Fl) and its halogenated derivatives, namely, 2,7-dichlorofluorene (Fl-Cl), 2,7-dibromofluorene (Fl-Br) and 2,7-diiodofluorene (Fl-I), using potassium permanganate in alkaline medium has been studied spectrophotometrically at a constant ion...
作者:Mahmoud Mohsen Ali Ahmad Alsayes , Khaled Hazem Hamed Ahmed
来源:[J].Science Journal of Chemistry, 2016, Vol.4 (4)SciencePG
摘要:For centuries the Energy crisis has been a curse that made Egypt and the world suffer in various ways. Energy is the backbone of many aspects of life; yet depending on fossil fuel as the main source of energy has numerous drawbacks like the high price, transportation, unavailabil...

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