Vol. 21 No. 3 (2007) | Bulletin of the Chemical Society of Ethiopia

Published: 2007-11-26

STUDIES ON SOLVENT EXTRACTION OF FREE HYDROGEN CYANIDE FROM RIVER WATER

E.O. Ojeka, I. Adetoyi, S.S. Bako

305-313

DOI:

10.4314/bcse.v21i3.21211

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NEOCUPROINE AND BATHOCUPROINE AS NEW REAGENTS FOR THE SPECTROPHOTOMETRIC DETERMINATION OF CERTAIN PROTON PUMP INHIBITORS

Akheel Ahmed Syed, Ayesha Syeda

315-321

DOI:

10.4314/bcse.v21i3.21212

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**CHEMICAL CONTENT OF THE SEEDS AND PHYSICO-CHEMICAL CHARACTERISTIC OF THE SEED OILS FROM CITRULLUS COLOCYNTHIS, COCCINIA GRANDIS, CUCUMIS METULIFERUS AND CUCUMIS PROPHETARUM OF NIGER**

Hassimi Sadou, Haoua Sabo, Mousbahou Malam Alma, Mahamane Saadou, Claude-Louis Leger

323-330

DOI:

10.4314/bcse.v21i3.21213

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SPATIAL VARIATION AND DISTRIBUTION OF POLYCYCLIC AROMATIC HYDROCARBONS IN SOIL

Okoro Duke, Ikolo O. Albert

331-340

DOI:

10.4314/bcse.v21i3.21214

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SOME CHEMICAL CHARACTERISTICS OF THE RIVER PRA ESTUARY IN THE WESTERN REGION OF GHANA

J.K. Tufuor, D.K. Dodoo, A.K. Armah, G.A. Darpaah, D.K. Essumang

341-348

DOI:

10.4314/bcse.v21i3.21215

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**KINETIC STUDY OF LIQUID-PHASE ADSORPTIVE REMOVAL OF HEAVY METAL IONS BY ALMOND TREE (TERMINALIA CATAPPA L.) LEAVES WASTE**

Michael Horsfall Jnr, Jöse L. Vicente

349-362

DOI:

10.4314/bcse.v21i3.21216

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CHEMICAL SPECIATION OF Pb(II), Cd(II), Hg(II), Co(II), Ni(II), Cu(II) AND Zn(II) BINARY COMPLEXES OF L-METHIONINE IN 1,2-PROPANEDIOL–WATER MIXTURES

M. Padma Latha, V. Maheswara Rao, T. Siva Rao, G. Nageswara Rao

363-372

DOI:

10.4314/bcse.v21i3.21217

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**SIGMOISIDE E: A NEW ANTIBACTERIAL TRITERPENOID SAPONIN FROM ERYTHRINA SIGMOIDEA (HUA)**

J. Kouam, X. Siewe Noundou, Laure B. Kouitcheu Mabeku, A. Meli Lannang, M. Iqbal Choudhary, Z.T. Fomum

373-378

DOI:

10.4314/bcse.v21i3.21218

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ACTIVATION PARAMETERS AND EXCESS THERMODYANAMIC FUNCTIONS OF HYDROXAMIC ACIDS IN ACETONE - WATER MIXTURE AT 303.15 K AND 313.15 K: A VISCOMETRIC APPROACH

Ajita Dixit, Rama Pande

379-387

DOI:

10.4314/bcse.v21i3.21219

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THE EFFECTS OF RARE EARTHS ON ACTIVITY AND SURFACE PROPERTIES OF Ru/γ-AL₂O₃ CATALYST FOR WATER GAS SHIFT REACTION

Laitao Luo, Yan Ouyang, Xun Lu, Xun Lu, Qingbo Chen

389-395

DOI:

10.4314/bcse.v21i3.21220

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HYPERCROSSLINKED SORBENTS AND THEIR ADSORPTION PROPERTIES

Li Dong Guang, Zhang Yan Li

397-403

DOI:

10.4314/bcse.v21i3.21221

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SYNTHESIS AND CHARACTERIZATION OF POLY[3-(2',5'-DIHEPTYLOXY- PHENYL)THIOPHENE] FOR USE IN PHOTOELECTROCHEMICAL CELLS

Assefa Sergawie, Shimelis Admassie, Wendimagegn Mammo, Teketel Yohannes, Theodros Solomon

405-417

DOI:

10.4314/bcse.v21i3.21222

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THEORETICAL RESEARCH ON EFFECTS OF SUBSTITUENTS AND THE SOLVENT ON QUADRUPLE HYDROGEN BONDED COMPLEXES

Lingjia Xu, Yuqi Ding, Qiwen Teng

419-426

DOI:

10.4314/bcse.v21i3.21223

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STRUCTURAL STUDY AND INVESTIGATION OF NMR TENSORS IN INTERACTION OF DOPAMINE WITH ADENINE AND GUANINE

A. Bagheri

427-435

DOI:

10.4314/bcse.v21i3.21224

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CARCINOGENIC POTENCY OF POLYCYCLIC AROMATIC HYDROCARBONS IN SOIL

Okoro Duke, Ikolo O. Albert

437-443

DOI:

10.4314/bcse.v21i3.21225

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DETERMINATION OF NITRITE, NITRATE AND TOTAL NITROGEN IN VEGETABLE SAMPLES

Manas Kanti Deb, Manisha Thakur, Pushpa Khande

445-450

DOI:

10.4314/bcse.v21i3.21226

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CATALYTIC KINETIC SPECTROPHOTOMETRIC DETERMINATION OF TRACE TITANIUM BASED ON TITANIUM(IV)-(DBS-ARSENAZO)-POTASSIUM BROMATE SYSTEM

Qing-Zhou Zhai

451-456

DOI:

10.4314/bcse.v21i3.21227

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FACILE ENANTIOSELECTIVE PALLADIUM CATALYSED TRANSFER HYDROGENATION OF α-METHYLCINNAMIC ACID IN THE PRESENCE OF OPTICAL PURE ORGANIC ACIDS

Reginah N. Bwire, Runner R. T. Majinda, Ishmael B. Masesane

457-460

DOI:

10.4314/bcse.v21i3.21229

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Bulletin of the Chemical Society of Ethiopia
Journal / Bulletin of the Chemical Society of Ethiopia / Vol. 21 No. 3 (2007) / Articles

Articles

STUDIES ON SOLVENT EXTRACTION OF FREE HYDROGEN CYANIDE FROM RIVER WATER

DOI:

NEOCUPROINE AND BATHOCUPROINE AS NEW REAGENTS FOR THE SPECTROPHOTOMETRIC DETERMINATION OF CERTAIN PROTON PUMP INHIBITORS

DOI:

**CHEMICAL CONTENT OF THE SEEDS AND PHYSICO-CHEMICAL CHARACTERISTIC OF THE SEED OILS FROM CITRULLUS COLOCYNTHIS, COCCINIA GRANDIS, CUCUMIS METULIFERUS AND CUCUMIS PROPHETARUM OF NIGER**

DOI:

SPATIAL VARIATION AND DISTRIBUTION OF POLYCYCLIC AROMATIC HYDROCARBONS IN SOIL

DOI:

SOME CHEMICAL CHARACTERISTICS OF THE RIVER PRA ESTUARY IN THE WESTERN REGION OF GHANA

DOI:

**KINETIC STUDY OF LIQUID-PHASE ADSORPTIVE REMOVAL OF HEAVY METAL IONS BY ALMOND TREE (TERMINALIA CATAPPA L.) LEAVES WASTE**

DOI:

CHEMICAL SPECIATION OF Pb(II), Cd(II), Hg(II), Co(II), Ni(II), Cu(II) AND Zn(II) BINARY COMPLEXES OF L-METHIONINE IN 1,2-PROPANEDIOL–WATER MIXTURES

DOI:

**SIGMOISIDE E: A NEW ANTIBACTERIAL TRITERPENOID SAPONIN FROM ERYTHRINA SIGMOIDEA (HUA)**

DOI:

ACTIVATION PARAMETERS AND EXCESS THERMODYANAMIC FUNCTIONS OF HYDROXAMIC ACIDS IN ACETONE - WATER MIXTURE AT 303.15 K AND 313.15 K: A VISCOMETRIC APPROACH

DOI:

THE EFFECTS OF RARE EARTHS ON ACTIVITY AND SURFACE PROPERTIES OF Ru/γ-AL₂O₃ CATALYST FOR WATER GAS SHIFT REACTION

DOI:

HYPERCROSSLINKED SORBENTS AND THEIR ADSORPTION PROPERTIES

DOI:

SYNTHESIS AND CHARACTERIZATION OF POLY[3-(2',5'-DIHEPTYLOXY- PHENYL)THIOPHENE] FOR USE IN PHOTOELECTROCHEMICAL CELLS

DOI:

THEORETICAL RESEARCH ON EFFECTS OF SUBSTITUENTS AND THE SOLVENT ON QUADRUPLE HYDROGEN BONDED COMPLEXES

DOI:

STRUCTURAL STUDY AND INVESTIGATION OF NMR TENSORS IN INTERACTION OF DOPAMINE WITH ADENINE AND GUANINE

DOI:

CARCINOGENIC POTENCY OF POLYCYCLIC AROMATIC HYDROCARBONS IN SOIL

DOI:

DETERMINATION OF NITRITE, NITRATE AND TOTAL NITROGEN IN VEGETABLE SAMPLES

DOI:

CATALYTIC KINETIC SPECTROPHOTOMETRIC DETERMINATION OF TRACE TITANIUM BASED ON TITANIUM(IV)-(DBS-ARSENAZO)-POTASSIUM BROMATE SYSTEM

DOI:

FACILE ENANTIOSELECTIVE PALLADIUM CATALYSED TRANSFER HYDROGENATION OF α-METHYLCINNAMIC ACID IN THE PRESENCE OF OPTICAL PURE ORGANIC ACIDS

DOI:

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