Egyptian Journal of Chemistry, Volume 24National Information and Documentation Centre, 1981 - Chemistry |
Contents
lonic exchange separation of lanthanones from Egyptian phosphate | 7 |
Mass spectrometry in structural problems electron impact induced | 15 |
Composition of the distillate fractions from zelten crude oil Lybia | 23 |
5 other sections not shown
Other editions - View all
Common terms and phrases
acceptor acetic acid adduct Ain Shams University alcohol alkyl alumina amides amino acid analysis aromatic atoms band benzene Cairo calcined catalyst catalytic activity CH₂ chelates Chem chemical chloride chromia cm-¹ complexes compounds concentration corresponding crystallized dehydration derivatives determined dioxane Egypt epoxidized ester ethanol ether formation ethyl ethyl acetate Experimental filtered fractions give hydrazine hydrate hydrogen hydrolysis IIIa increase infrared investigation ions ligand metal method mixed mp mole molecular molecule National Research Centre nitrogen obtained oxide oxyphenbutazone peptide phosphite precipitated prepared present protons pyridine react reaction mixture reaction temperature reagent recrystallized refluxed residue resin revised form room temperature samples showed sodium solid solution solvent spectra spectrum structure studied synthesis Table thiourea titration trimethoprim trimethyl phosphite values yield zeolite أن جامعة دراسة عبد على كلية محمد وقد