Egyptian Journal of Chemistry, Volume 26National Information and Documentation Centre, 1983 - Chemistry |
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Page 20
... reaction products were transferred directly by an inert carrier gas ( ni rogen ) at 40 cm3 min - 1 to a gas - liquid ... temperature using a Richard Seifer X - ray d ffractometer with Cu Ka radiation . Results and Discussion The effect of ...
... reaction products were transferred directly by an inert carrier gas ( ni rogen ) at 40 cm3 min - 1 to a gas - liquid ... temperature using a Richard Seifer X - ray d ffractometer with Cu Ka radiation . Results and Discussion The effect of ...
Page 157
... reaction temperature on the activity and selectivity of nickel - alumina catalyst in cyclohexane conversion Fig . 1 a , b shows the results obtained for the effect of reaction temperature on the activity and selectivity of nickel ...
... reaction temperature on the activity and selectivity of nickel - alumina catalyst in cyclohexane conversion Fig . 1 a , b shows the results obtained for the effect of reaction temperature on the activity and selectivity of nickel ...
Page 209
... reaction temperature attaining its maximum value at 250 , then it decreased with further increase in the reaction temp- perature . Table 2 indicates also that the essential constituent of isobutyltoluene formed is the P- isomer in the ...
... reaction temperature attaining its maximum value at 250 , then it decreased with further increase in the reaction temp- perature . Table 2 indicates also that the essential constituent of isobutyltoluene formed is the P- isomer in the ...
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absorption bands acetic acid activity alcohol aldehydes amine Analysis analytical data anhydride aqueous aromatic benzene bromide Calcd capric acid carbon carbonyl catalyst CH₁ CH₂ Chem chemical Chemistry chloride cm-¹ complexes compounds concentration condensation cooled copper crystallized derivatives dioxan Egypt electrode ester ethanol ether ethylene Experimental filtered formation Found gave Grignard reagents heated under reflux hydrazine hydrate hydrochloric acid hydrogen hydroxide I.R. spectra infrared ketone ligand Melting points metal ions methyl mole molecules National Research Centre obtained piperidine potassium potassium hydroxide potential protons pyridine R₁ reacted reaction mixture reaction temperature reagents recrystallized reflux revised form rhodanine room temperature showed sodium sodium acetate sodium hydroxide solid solution solvent solvent to give spectrophotometer spectrum structure Synthesis Table vanadium yield احمد المركز القومى للبحوث المصرية جامعة القاهرة عبد على للكيمياء محمد محمود