Vol. 17 No. 2 (2003) | Bulletin of the Chemical Society of Ethiopia

Published: 2004-01-09

Determination of bromoxynil and ioxynil in the presence of carbamates by supported liquid membrane-liquid chromatography in river waters

Titus Motswadi Maswabi, Mathew M. Nindi

DOI:

10.4314/bcse.v17i2.61654

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Derivative spectrophotometric determination of trace lead in alloys and biological samples after separation and preconcentration with the ion pair of 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol and ammonium tetraphenylborate on microcrystalline

Mohammad Ali Taher

DOI:

10.4314/bcse.v17i2.61656

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Chemical and structural characterization of natural phosphate of Hahotoe (Togo)

Gado Tchangbeddji, Gnande Djeteli, Koffi Ani Kili, Jean Michel Savariault, Jean Louis Lacout

DOI:

10.4314/bcse.v17i2.61659

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Ceramic properties of Pugu kaolin clays. Part I: Porosity and modulus of rupture

Leonard D. Akwilapo, Kjell Wiik

DOI:

10.4314/bcse.v17i2.61661

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Coordination of cassava starch to metal ions and thermolysis of resulting complexes

Wojciech Ciesielski, Piotr Tomasik

DOI:

10.4314/bcse.v17i2.61663

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Synthesis and X-ray structure of the dysprosium(III) complex derived from the ligand 5-chloro-1,3-diformyl-2-hydroxybenzene-bis-(2-hydroxybenzoylhydrazone) [Dy₂(C₂₂H₁₆ClN₄O₅)₃]

Mayoro Diop, Farba B. Tamboura, Mohamed Gaye, Abdou S. Sall, Aliou H. Barry, Tahar Jouini

DOI:

10.4314/bcse.v17i2.61665

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Nauclefolinine: A new alkaloid from the roots of Nauclea latifolia

D. Ngnokam, J.F. Ayafor, J.D. Connolly, J.M. Nuzillard

DOI:

10.4314/bcse.v17i2.61669

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4,5-Epoxide-1,6-dimethyl-1-vinylhexyl p-coumarate: A novel monoterpene derivative from Cleistopholis patens

D. Ngnokam, A. Tsopmo, J.F. Ayafor, J.M. Nuzillard, O. Sterner

DOI:

10.4314/bcse.v17i2.61670

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**Gossweilone: A new podocarpane derivative from the stem bark of Drypetes gossweileri (Euphorbiaceae)**

Silvère Ngouela, Joseph Ngoupayo, Diderot T. Noungoue, Etienne Tsamo, Joseph D. Connolly

DOI:

10.4314/bcse.v17i2.61672

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Bioactive metabolites from Trichoderma harzianum and Trichoderma longibrachiatum

P.K. Tarus, C.C. Lang’at-Thoruwa, A.W. Wanyonyi, S.C. Chhabra

DOI:

10.4314/bcse.v17i2.61675

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Anti-inflammatory and analgesic activities: Chemical constituents of essential oils of Ocimum gratissimum, Eucalyptus citriodora and Cymbopogon giganteus inhibited lipoxygenase L-1 and cyclooxygenase of PGHS

G. Bedi Sahouo, Z.F. Tonzibo, B. Boti, C. Chopard, J.P. Mahy, Yao T. N’guessan

DOI:

10.4314/bcse.v17i2.61681

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Hydration structure of Ti(III) and Cr(III): Monte Carlo simulation including three-body corrections

Ahmed M. Mohammed

DOI:

10.4314/bcse.v17i2.61684

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Vibrational spectra of t-butyl alcohol, t-butylamine and t-butyl alcohol + t-butylamine binary liquid mixtures

Pius K. Kipkemboi, Paul C. Kiprono, Jackson J. Sanga

DOI:

10.4314/bcse.v17i2.61689

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Catalysis of the Michael reactions by N,N’-dimethylaminopropyl derivatised micelle templated silica: Effects of solvent and catalyst loading

J.E.G. Mdoe, J.H Clark, D.J. Macquarrie

DOI:

10.4314/bcse.v17i2.61692

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Bulletin of the Chemical Society of Ethiopia
Journal / Bulletin of the Chemical Society of Ethiopia / Vol. 17 No. 2 (2003) / Articles

Articles

Determination of bromoxynil and ioxynil in the presence of carbamates by supported liquid membrane-liquid chromatography in river waters

DOI:

Derivative spectrophotometric determination of trace lead in alloys and biological samples after separation and preconcentration with the ion pair of 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol and ammonium tetraphenylborate on microcrystalline

DOI:

Chemical and structural characterization of natural phosphate of Hahotoe (Togo)

DOI:

Ceramic properties of Pugu kaolin clays. Part I: Porosity and modulus of rupture

DOI:

Coordination of cassava starch to metal ions and thermolysis of resulting complexes

DOI:

Synthesis and X-ray structure of the dysprosium(III) complex derived from the ligand 5-chloro-1,3-diformyl-2-hydroxybenzene-bis-(2-hydroxybenzoylhydrazone) [Dy₂(C₂₂H₁₆ClN₄O₅)₃]

DOI:

Nauclefolinine: A new alkaloid from the roots of Nauclea latifolia

DOI:

4,5-Epoxide-1,6-dimethyl-1-vinylhexyl p-coumarate: A novel monoterpene derivative from Cleistopholis patens

DOI:

**Gossweilone: A new podocarpane derivative from the stem bark of Drypetes gossweileri (Euphorbiaceae)**

DOI:

Bioactive metabolites from Trichoderma harzianum and Trichoderma longibrachiatum

DOI:

Anti-inflammatory and analgesic activities: Chemical constituents of essential oils of Ocimum gratissimum, Eucalyptus citriodora and Cymbopogon giganteus inhibited lipoxygenase L-1 and cyclooxygenase of PGHS

DOI:

Hydration structure of Ti(III) and Cr(III): Monte Carlo simulation including three-body corrections

DOI:

Vibrational spectra of t-butyl alcohol, t-butylamine and t-butyl alcohol + t-butylamine binary liquid mixtures

DOI:

Catalysis of the Michael reactions by N,N’-dimethylaminopropyl derivatised micelle templated silica: Effects of solvent and catalyst loading

DOI:

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