African Journals Online
Bulletin of The Chemical Society of Ethiopia

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Volume 12, Number 1, June 1998

CONTENTS Page
FULL PAPERS  
Analytical Chemistry  
  Phytate: zinc and phytate x calcium: zinc molar ratios in selected diets of Ethiopians.
Kelbessa Urga and H V Narasimha
1
  Ashing procedure for the determination of metals in petroleum fuels.
E J Ekanem, J A Lori and S A Thomas
9
Biochemistry  
  Effect of conformation and spin state on sulphydryl reactivities of hemoglobins.
Christopher O Aboluwoye, Ezekiel A Adebayo, Dupe Egunlusi, Kehinde Tijani, Sunday Bolaji aand Sola Olayinka
17
Inorganic Chemistry  
  Studies on the coordination complexes of calcium(II), cadmium(II) and tin (IV) with p-nitrobenzoyl-5-oxo-pyrazole.
Martin O C Ogwuebu and Kakoma K Maseka
27
Organic Chemistry  
  Application of tetralinylis as carboxamide protecting groups in peptide synthesis.
Peter M Gitu, Amir O Yusuf and Bhalendu M Bhatt
35
  Glucofrangulin A diacetate from the fruits of Rhamnus prinoids.
Merhatibeb Bezabih and Berhanu M Abegaz
45
Physical Chemistry  
  Model calculation of the heat content of technical silicate glasses.
Carvalho M O Madivate
49
  Photoelectrochemistry of plain and dye-sensitised mesoscopic TiO2 rotating disc electrodes.
Zerihun Kebede and Sten-Eric Lidquist
57
  Studies of the double layer at the water/o-nitrotoluene interface.
Hailemichael Alemu, B Hundhammer and Theordos Solomon
69
SHORT COMMUNICATIONS  
  Constituents of the essential oil of Thymus schimperi.
Ermias Dagne, Solomon Hailu, Daniel Bisrat and Tadele Worku
Page 79.
 
  Characterisitics and chemical composition of the oil of Cucurbita pepo seeds.
Y M H Younis and Senait Ghirmay
83
  Medium effects on the reduction of kinetics of trans-dichloro-bis (1,2-diaminopropane) cobalt(III) by hexacyanoferrate(II) in aqueous organic solvents
K P Elango, K Anbalagan and G Karthikeyan
87

 

 

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