Egyptian Journal of Chemistry, Volume 18, Issues 4-6 |
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Contents
New Synthetic Analogues of Arginine and Lysine Vasopressin | 611 |
Kinetic and Mechanism of Hydrogenolysis of nand wpentanes | 619 |
Oxidation with Permanganate in Acid Medium Containing Fluoride Ions | 633 |
21 other sections not shown
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Common terms and phrases
absorbance acetic acid activity additive adsorption Ain Shams University alkali alumina amounts aqueous aromatic atoms band benzene buffer solution Cairo calcium carbon catalyst characteristics Chem chemical Chemistry chloride complex compounds concentration constant corresponding coumarin cracking crude oil cyclohexanol decreases dehydrogenation density determined EDTA effect Egypt electrode equation ester ethanol ether ethyl ethyl acetate Experimental extraction feedstock formation given in Table glass higher hydrocarbons hydrocracking hydrogen hydrogenolysis increase indicate investigation layer liquid metal method mixture mole molecular molecule National Research Centre nitrogen obtained oil Used oil olefins oxide oxygen paraffinic Pentenes Petroleum phenates pore prepared present pyridine ratio reaction period reaction temperature reduction refractive index residue resins Results and Discussion revised form sample silica sludge sodium solvent spectra sulphonate sulphur superbasic titration trace trace trace values wave yield