African Journals Online
South African Journal of Chemistry

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Volume 56, 2003
Contents

Effect of Cobalt Source on the Catalyst Reducibility and Activity of Boron-modified Co / TiO2 Fischer-Tropsch Catalysts

1

Li, Jinlin; Coville, Neil J.

Abstract

Voltammetric Determination of a Benzimidazole Anthelmintic Mixture at a Poly(3-methylthiophene)-modified Glassy Carbon Electrode     

5

Msagati, Titus A.M; .Ngila, J. Catherine

Abstract

Spectrophotometric and Thermal Studies of the Reaction of Iodine with Nickel(II) Acetylacetonate

10

Nour, El-Metwally; Teleb, Said M.; Elmosallamy, Mohamed A.F.; Refat, Moamen S.

Abstract

Analysis of Trace Elements in South African Clinkers using Latent Variable Model and Clustering   

15

Abonyi, Janos; Tamas, Ferenc D.; Potgieter, Sanja; Potgieter, Herman

Abstract

Synthesis and antimicrobial activity of new Thiazole-2(3H)-thiones containing 1, 1, 3-trisubstituted Cyclobutane   

21

Ahmedzade, Misir; Kirilmis, Cumhur; Cukurovali, Alaaddin; Dilsiz, Nihat

Abstract

Chromone Studies. Part 12.1 Fragmentation Patterns in the Electron-impact Mass Spectra of 2-(N, N-Dialkylamino)-4H-1-benzopyran-4-ones and -naphthopyran-4-ones   

25

Kaye, Perry T.; Ramaite, Isaiah D.I.

Abstract

Production of 9-thioxo-2, 3, 4, 9-tetrahydro-pyrrolo[3, 4-b]quinolin-1-one derivatives from the aminolysis of 3, 3, 9-trichloro-3H-thieno[3, 4-b]quinolin-1-one   

30

Van Es, Theodorus; Staskun, Benjamin; Fernandes, Manuel A.

Abstract

The Surface Chemical Properties of Novel High Surface Area Solids Synthesized from Coal Fly Ash   

34

Pretorius, P. Julius; Woolard, Christopher D.

Abstract

Chlorine- and Sulphur-substituted Pyrrolo[3, 4-b]quinolines and Related Derivatives arising from the Aminolysis of 3, 3, 9-Trichlorothieno[3, 4-b]quinolin-1(3H)-one   

40

Van Es, Theodorus; Staskun, Benjamin

Abstract

Increasing the Signal to Noise Ratio in a Chemistry Laboratory - Improving a Practical for Academic Development Students   

47

Davidowitz, Bette; Rollnick, Marissa; Fakudze, Cynthia

Abstract

A Stable Glutamate Biosensor Based on MnO2 Bulk-modified Screen-printed Carbon Electrode and Nafion(R) Film-immobilized Glutamate Oxidase  54
Beyene, Negussie W.; Moderegger, Helmut; Kalcher, Kurt
Abstract