Vol. 19 No. 1 (2005) | Bulletin of the Chemical Society of Ethiopia

Published: 2005-07-20

NEW SPECTROPHOTOMETRIC METHOD WITH KMnO₄ FOR DETERMINATION OF HYPOCHLORITE IN COMMERCIAL BLEACHES

P. Gengan, S. B. Jonnalagadda*

1-8

DOI:

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MICRON-SIZED POLYMER PARTICLES FROM TANZANIAN CASHEW NUT SHELL LIQUID. PART II: AN ASSESSMENT OF CATION-EXCHANGE CAPABILITY OF THE CARBOXYLATED PARTICLES

O. O. Ilomo, Y.M. M. Makame*, L. L. Mkayula

9-15

DOI:

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FAAS DETERMINATION OF THALLIUM AFTER PRECONCENTRATION USING NITROSO-S AND TDBA ONTO BENZOPHENONE

Mohammad Ali Taher*, Sayed Ziae Mohammadi Mobarakeh, Fatameh Saber Mahani

17-22

DOI:

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TRACE METALS IN SOILS AND PLANTS FROM FADAMA FARMS IN EKITI STATE, NIGERIA

E. I. Adeyeye

23-34

DOI:

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ANALYSIS OF NITRATES AND NITRITES IN SOME WATER AND FACTORY EFFLUENT SAMPLES FROM SOME CITIES IN SWAZILAND

A. O. Fadiran*, S. M. Mamba

35-44

DOI:

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ANALYSIS OF NITRATES AND NITRITES IN SUBSOIL AND GROUND WATER SAMPLES IN SWAZILAND

A. O. Fadiran*, W. F. Mdlulie, B. K. Simelane

45-54

DOI:

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REACTIONS OF 5-[1-(2-PHENYL)METHYLIDENE]-3-PHENYLIMIDAZOLIDINE-2,4-DIONES WITH SOME ORGANOMETALLIC REAGENTS

Teresa A. R. Akeng'a1*, Roger W. Read2

55-60

DOI:

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2-HYDROXY-4-METHOXYBENZALDEHYDE: LARVICIDAL STRUCTURE-ACTIVITY STUDIES

Geoffrey M. Mahanga1, Teresa O. Akenga1, Wilber Lwande2, Isaiah O. Ndiege3*

61-68

DOI:

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**ERYTHROSUAVINE, A NEW DITERPENIC ALKALOID FROM ERYTHROPHLEUM SUAVEOLENS (GUILL. & PERR.) BRENAN**

R. N. Manfouo, D. Lontsi*, F. N. Ngounou, B. T. Ngadjui, B. L. Sondengam

69-74

DOI:

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ANTIPARASITIC PRENYLATED ISOFLAVONOIDS FROM SEEDS OF MILLETTIA GRIFFONIANA

Dieudonne Ngamgaa, Emmanuel Yankepb, Pierre Tanea, Merhatibeb Bezabihc, Bonaventure T. Ngadjuib, Z. Tanee Fomumb, Berhanu M. Abegazc*

75-80

DOI:

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**DIOSPYRONE, A NEW COUMARINYLBINAPHTHOQUINONE FROM DIOSPYROS CANALICULATA (EBENACEAE): STRUCTURE AND ANTIMICROBIAL ACTIVITY**

J. G. Tangmouo1, D. Lontsi1*, F. N. Ngounou1, V. Kuete2, A. L. Meli1, R. N. Manfouo1, H. Kamdem3 W., P. Tane3, V. Penlap Beng2, B. L. Sondengam1, J. D. Connolly4

81-88

DOI:

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**KINETIC STUDIES ON THE SORPTION OF LEAD AND CADMIUM IONS FROM AQUEOUS SOLUTIONS BY CALADIUM BICOLOR (WILD COCOYAM) BIOMASS**

Michael Horsfall Jnr*, Ayebaemi I. Spiff

89-102

DOI:

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KINETICS AND MECHANISM OF REACTION OF ACIDIC CHLORITE WITH PHENOXAZINE DYES, NILE BLUE AND MELDOLA'S BLUE

L. Q. Qwabe, B. Pare, S. B. Jonnalagadda*

103-116

DOI:

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STUDIES ON THE INTERACTION OF TRANSITION METAL IONS WITH SOME BIOLOGICALLY ACTIVE LIGANDS BY PAPER IONOPHORETIC METHOD

Brij Bhushan Tewari*

117-123

DOI:

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VOLTAMMETRIC INVESTIGATION OF THE DISTRIBUTION OF HYDROXO-, CHLORO-, EDTA AND CARBOHYDRATE COMPLEXES OF LEAD, CHROMIUM, ZINC, CADMIUM AND COPPER: POTENTIAL APPLICATION TO METAL SPECIATION STUDIES IN BREWERY WASTEWATER

J. Catherine Ngila*, Ned Silavwe, Jackson K. Kiptoo, Jonathan E.R. Thabano

125-138

DOI:

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**CHEMICAL INVESTIGATION OF THE VOLATILE CONSTITUENTS OF CLEOME VISCOSA FROM NIGERIA**

Gabriel Olatunji, Peter Weyerstahl, Stephen Oguntoye

139-143

DOI:

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**ISOLATION AND CHARACTERIZATION OF LARVICIDAL COMPONENTS AGAINST MOSQUITO LARVAE (AEDES AEGYPTI LINN.) FROM CALODENDRUM CAPENSE THUNB**

A. K. Kiprop1*, M. S. Rajab2, F. M.E. Wanjala3

145-148

DOI:

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PALLADIUM-CATALYSED TRANSFER HYDROGENATION OF ALKENES IN THE PRESENCE OF ZINC POWDER AND VARIOUS ORGANIC ACIDS

I. B. Masesane1*, P. G. Steel2

149-152

DOI:

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Bulletin of the Chemical Society of Ethiopia
Journal / Bulletin of the Chemical Society of Ethiopia / Vol. 19 No. 1 (2005) / Articles

Articles

NEW SPECTROPHOTOMETRIC METHOD WITH KMnO₄ FOR DETERMINATION OF HYPOCHLORITE IN COMMERCIAL BLEACHES

DOI:

MICRON-SIZED POLYMER PARTICLES FROM TANZANIAN CASHEW NUT SHELL LIQUID. PART II: AN ASSESSMENT OF CATION-EXCHANGE CAPABILITY OF THE CARBOXYLATED PARTICLES

DOI:

FAAS DETERMINATION OF THALLIUM AFTER PRECONCENTRATION USING NITROSO-S AND TDBA ONTO BENZOPHENONE

DOI:

TRACE METALS IN SOILS AND PLANTS FROM FADAMA FARMS IN EKITI STATE, NIGERIA

DOI:

ANALYSIS OF NITRATES AND NITRITES IN SOME WATER AND FACTORY EFFLUENT SAMPLES FROM SOME CITIES IN SWAZILAND

DOI:

ANALYSIS OF NITRATES AND NITRITES IN SUBSOIL AND GROUND WATER SAMPLES IN SWAZILAND

DOI:

REACTIONS OF 5-[1-(2-PHENYL)METHYLIDENE]-3-PHENYLIMIDAZOLIDINE-2,4-DIONES WITH SOME ORGANOMETALLIC REAGENTS

DOI:

2-HYDROXY-4-METHOXYBENZALDEHYDE: LARVICIDAL STRUCTURE-ACTIVITY STUDIES

DOI:

**ERYTHROSUAVINE, A NEW DITERPENIC ALKALOID FROM ERYTHROPHLEUM SUAVEOLENS (GUILL. & PERR.) BRENAN**

DOI:

ANTIPARASITIC PRENYLATED ISOFLAVONOIDS FROM SEEDS OF MILLETTIA GRIFFONIANA

DOI:

**DIOSPYRONE, A NEW COUMARINYLBINAPHTHOQUINONE FROM DIOSPYROS CANALICULATA (EBENACEAE): STRUCTURE AND ANTIMICROBIAL ACTIVITY**

DOI:

**KINETIC STUDIES ON THE SORPTION OF LEAD AND CADMIUM IONS FROM AQUEOUS SOLUTIONS BY CALADIUM BICOLOR (WILD COCOYAM) BIOMASS**

DOI:

KINETICS AND MECHANISM OF REACTION OF ACIDIC CHLORITE WITH PHENOXAZINE DYES, NILE BLUE AND MELDOLA'S BLUE

DOI:

STUDIES ON THE INTERACTION OF TRANSITION METAL IONS WITH SOME BIOLOGICALLY ACTIVE LIGANDS BY PAPER IONOPHORETIC METHOD

DOI:

VOLTAMMETRIC INVESTIGATION OF THE DISTRIBUTION OF HYDROXO-, CHLORO-, EDTA AND CARBOHYDRATE COMPLEXES OF LEAD, CHROMIUM, ZINC, CADMIUM AND COPPER: POTENTIAL APPLICATION TO METAL SPECIATION STUDIES IN BREWERY WASTEWATER

DOI:

**CHEMICAL INVESTIGATION OF THE VOLATILE CONSTITUENTS OF CLEOME VISCOSA FROM NIGERIA**

DOI:

**ISOLATION AND CHARACTERIZATION OF LARVICIDAL COMPONENTS AGAINST MOSQUITO LARVAE (AEDES AEGYPTI LINN.) FROM CALODENDRUM CAPENSE THUNB**

DOI:

PALLADIUM-CATALYSED TRANSFER HYDROGENATION OF ALKENES IN THE PRESENCE OF ZINC POWDER AND VARIOUS ORGANIC ACIDS

DOI:

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