Vol. 29 No. 3 (2015) | Bulletin of the Chemical Society of Ethiopia

Published: 2015-10-03

Cation-exchange solid-phase and liquid-liquid extraction for the determination of khat alkaloids by reversed phase HPLC-DAD

M. Atlabachew, S. Combrinck, R. I. McCrindle

331-339

DOI:

10.4314/bcse.v29i3.1

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Nutrient composition of niger seed (Guizotia abyssinica (L. f.) Cass.) cultivated in different parts of Ethiopia

M. Syume, B. S. Chandravanshi

341-355

DOI:

10.4314/bcse.v29i3.2

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Laser-induced breakdown spectroscopy and inductively coupled plasma-mass spectrometry for determination of Cr in soils from Brits District, South Africa

A. A. Ambushe, A. du Plessis, R. I. McCrindle

357-366

DOI:

10.4314/bcse.v29i3.3

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Preconcentration of uranium in water samples using dispersive liquid-liquid micro- extraction coupled with solid-phase extraction and determination with inductively coupled plasma-optical emission spectrometry

M. Rezaee, F. Khalilian

367-376

DOI:

10.4314/bcse.v29i3.4

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Assessment of physico-chemical parameters of Tsaeda Agam River in Mekelle City, Tigray, Ethiopia

K. Mezgebe, A. Gebrekidan, A. Hadera, Y. Weldegebriel

377-385

DOI:

10.4314/bcse.v29i3.5

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Synthesis, characterization, electrical and catalytic studies of some coordination compounds derived from unsymmetrical Schiff base ligand

G. B. Pethe, A. R. Yaul, A. S. Aswar

387-397

DOI:

10.4314/bcse.v29i3.6

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Synthesis, characterization and antibacterial activities of novel mixed ligands (azo anils and oxalate ion) copper(II) complexes

M. Ameen, S. R. Gilani, A. Naseer, I. Shoukat, S. D. Ali

399-406

DOI:

10.4314/bcse.v29i3.7

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Synthesis, crystal structure and antimicrobial activity of a hetero trinuclear manganese(III)-iron(II) complex derived from N,N’-bis(5-methylsalicylidene)-1,2-diaminoethane

X-M Hu, L-W Xue, G-Q Zhao, W-C Yang

407-413

DOI:

10.4314/bcse.v29i3.8

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Syntheses, spectroscopic and thermal analyses of the hofmann-type metal(II) tetra- cyanonickelate(II) pyridazine complexes: {[M(pdz)Ni(CN)4]∙H2O}n (M = Zn(II) or Cd(II))

D. Karaağaç, G. S. Kürkçüoğlu

415-422

DOI:

10.4314/bcse.v29i3.9

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Synthesis, characterization and crystal structures of oxovanadium(V) complexes derived from similar aroylhydrazone ligands

X-Z Zhang, L-X Li, H-H Li, Z. You, H-L Zhu

423-430

DOI:

10.4314/bcse.v29i3.10

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Ethiopian natural zeolites for photocatalysis

K. Guesh, M. J. López-Muñoz, C. Márquez-Álvarez, Y. Chebude, I. Diaz

431-440

DOI:

10.4314/bcse.v29i3.11

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Flavonoids from the roots of Dioclea reflexa (Hook F.)

A. O. Oladimeji, I. A. Oladosu, M. S. Ali, Z. Ahmed

441-448

DOI:

10.4314/bcse.v29i3.12

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A cost-effective and green aqueous synthesis of 3-substituted coumarins catalyzed by potassium phthalimide

H. Kiyani, M. D. Daroonkala

449-456

DOI:

10.4314/bcse.v29i3.13

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Succinimide-N-sulfonic acid as an efficient recyclable catalyst for the synthesis of some fused indolo pyrano pyrimidinone derivatives

S. S. Mansoor, K. Logaiya, S. P. N. Sudhan, K. Aswin

457-471

DOI:

10.4314/bcse.v29i3.14

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Gas phase ion chemistry of coumarins: ab initio calculations used to justify negative chemical ionization trends

K. F. Sichilongo, V. O. Jaoko, F. Mbaiwa, I. B. Masesane

473-484

DOI:

10.4314/bcse.v29i3.15

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Determination of amino acids and protein content in fresh and commercial royal jelly from Bulgaria

R. Balkanska, I. Zhelyazkova

485-490

DOI:

10.4314/bcse.v29i3.16

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Bulletin of the Chemical Society of Ethiopia
Journal / Bulletin of the Chemical Society of Ethiopia / Vol. 29 No. 3 (2015) / Articles

Articles

Cation-exchange solid-phase and liquid-liquid extraction for the determination of khat alkaloids by reversed phase HPLC-DAD

DOI:

Nutrient composition of niger seed (Guizotia abyssinica (L. f.) Cass.) cultivated in different parts of Ethiopia

DOI:

Laser-induced breakdown spectroscopy and inductively coupled plasma-mass spectrometry for determination of Cr in soils from Brits District, South Africa

DOI:

Preconcentration of uranium in water samples using dispersive liquid-liquid micro- extraction coupled with solid-phase extraction and determination with inductively coupled plasma-optical emission spectrometry

DOI:

Assessment of physico-chemical parameters of Tsaeda Agam River in Mekelle City, Tigray, Ethiopia

DOI:

Synthesis, characterization, electrical and catalytic studies of some coordination compounds derived from unsymmetrical Schiff base ligand

DOI:

Synthesis, characterization and antibacterial activities of novel mixed ligands (azo anils and oxalate ion) copper(II) complexes

DOI:

Synthesis, crystal structure and antimicrobial activity of a hetero trinuclear manganese(III)-iron(II) complex derived from N,N’-bis(5-methylsalicylidene)-1,2-diaminoethane

DOI:

Syntheses, spectroscopic and thermal analyses of the hofmann-type metal(II) tetra- cyanonickelate(II) pyridazine complexes: {[M(pdz)Ni(CN)4]∙H2O}n (M = Zn(II) or Cd(II))

DOI:

Synthesis, characterization and crystal structures of oxovanadium(V) complexes derived from similar aroylhydrazone ligands

DOI:

Ethiopian natural zeolites for photocatalysis

DOI:

Flavonoids from the roots of Dioclea reflexa (Hook F.)

DOI:

A cost-effective and green aqueous synthesis of 3-substituted coumarins catalyzed by potassium phthalimide

DOI:

Succinimide-N-sulfonic acid as an efficient recyclable catalyst for the synthesis of some fused indolo pyrano pyrimidinone derivatives

DOI:

Gas phase ion chemistry of coumarins: ab initio calculations used to justify negative chemical ionization trends

DOI:

Determination of amino acids and protein content in fresh and commercial royal jelly from Bulgaria

DOI:

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