PROMOTING ACCESS TO AFRICAN RESEARCH

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Issue Title
 
Vol 17, No 2 (2003) Catalysis of the Michael reactions by N,N’-dimethylaminopropyl derivatised micelle templated silica: Effects of solvent and catalyst loading Abstract   PDF
J.E.G. Mdoe, J.H Clark, D.J. Macquarrie
 
Vol 21, No 3 (2007) CATALYTIC KINETIC SPECTROPHOTOMETRIC DETERMINATION OF TRACE TITANIUM BASED ON TITANIUM(IV)-(DBS-ARSENAZO)-POTASSIUM BROMATE SYSTEM Abstract   PDF
Qing-Zhou Zhai
 
Vol 20, No 1 (2006) CATALYTIC PROPERTIES AND ACIDITY OF MODIFIED MCM-41 MESOPOROUS MATERIALS WITH LOW Si/Al RATIO: HEPTANE ISOMERISATION Abstract   PDF
Ahmed Belhakem*, Abdelkader Bengueddach
 
Vol 25, No 3 (2011) Catalytic spectrophotometric determination of Mn(II) at trace levels using Celestine blue-KIO4-1,10-phenantroline redox reaction Abstract   PDF
Ramazan Gürkan
 
Vol 18, No 1 (2004) Ceramic properties of pugu kaolin clays. Part 2: Effect of phase composition on flexural strength Abstract   PDF
Leonard D. Akwilapo, Kjell Wiik
 
Vol 17, No 2 (2003) Ceramic properties of Pugu kaolin clays. Part I: Porosity and modulus of rupture Abstract   PDF
Leonard D. Akwilapo, Kjell Wiik
 
Vol 20, No 2 (2006) Chemical analysis of the Assale (Ethiopia) rock salt deposit Abstract   PDF
Yigzaw Binega
 
Vol 24, No 1 (2010) Chemical and mineralogical characterization and ceramic suitability of raw feldspathic materials from Dschang (Cameroon) Abstract   PDF
D. Njoya, M. Hajjaji, C. Nkoumbou, A. Elimbi, M. Kwekam, A. Njoya, J. Yvon, D. Njopwouo
 
Vol 17, No 2 (2003) Chemical and structural characterization of natural phosphate of Hahotoe (Togo) Abstract   PDF
Gado Tchangbeddji, Gnande Djeteli, Koffi Ani Kili, Jean Michel Savariault, Jean Louis Lacout
 
Vol 21, No 2 (2007) CHEMICAL COMPOSITION AND ANTIMICROBIAL ACTIVITY OF THE ESSENTIAL OIL OF SATUREJA BIFLORA (LAMIACEAE) Abstract   PDF
Josphat C. Matasyoh, Joyce J. Kiplimo, Nicholas M. Karubiu, Tiffany P. Hailstorks
 
Vol 18, No 1 (2004) Chemical constituents of the ethyl acetate extracts of the stem bark and fruits of Dichrostachys cinerea and the roots of Parkia bicolor Abstract   PDF
J. Fotie, A.E. Nkengfack, M.G. Peter, M. Heydenreich, Z.T. Fomum
 
Vol 21, No 3 (2007) 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 Abstract   PDF
Hassimi Sadou, Haoua Sabo, Mousbahou Malam Alma, Mahamane Saadou, Claude-Louis Leger
 
Vol 19, No 1 (2005) CHEMICAL INVESTIGATION OF THE VOLATILE CONSTITUENTS OF CLEOME VISCOSA FROM NIGERIA Abstract   PDF
Gabriel Olatunji, Peter Weyerstahl, Stephen Oguntoye
 
Vol 21, No 3 (2007) 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 Abstract   PDF
M. Padma Latha, V. Maheswara Rao, T. Siva Rao, G. Nageswara Rao
 
Vol 21, No 2 (2007) CHROMATOGRAPHIC SEPARATION AND SPECTRO-ANALYTICAL CHARACTERIZATION OF A NATURAL AFRICAN MINERAL DYE Abstract   PDF
G.B. Adebayo, F.A. Adekola, G.A. Olatunji
 
Vol 19, No 2 (2005) CHROMIC TRANSITIONS IN PHENYL-SUBSTITUTED POLYTHIOPHENES Abstract   PDF
Shimelis Admassie*, Wendimagegn Mammo, Theodros Solomon, Teketel Yohannes, Mats R. Andersson
 
Vol 18, No 2 (2004) CNDO/SCF molecular orbital structural studies and charge transfer complex formation between 4,4’-dimethoxydiquinone and uracil Abstract   PDF
Anwar S. El-Shahawy, Ahmed S. Hammam
 
Vol 22, No 3 (2008) Color pollution control in textile dyeing industry effluents using tannery sludge derived activated carbon Abstract   PDF
Sajjala Sreedhar Reddy, Bijjam Kotaiah, Nanaga Siva Prasad Reddy
 
Vol 17, No 1 (2003) Comparative study of trace element levels in some local vegetable varieties and irrigation waters from different locations in Ilorin, Nigeria Abstract   PDF
O.O. Dosumu, N. Salami, F.A. Adekola
 
Vol 25, No 1 (2011) Comparison of acceptor properties for interaction of TCNE and DDQ with some free base porphyrins Abstract   PDF
Abedien Zabardasti, Leyla Shaebani, Ali Kakanejadifard, Fatemeh Faragi Morchegani
 
Vol 21, No 1 (2007) Comparison of authigenic minerals in sandstones and interbedded mudstones, siltstones and shales, East Berlin formation, Hartford Basin, USA Abstract   PDF
Wolela Ahmed
 
Vol 23, No 1 (2009) COMPARISON OF SOME ESSENTIAL AND HEAVY METALS IN THE TOENAILS AND FINGERNAILS OF SCHOOL-AGE CHILDREN IN KENYA Abstract   PDF
Faridah Hussein Were, Wilson M. Njue, Jane Murungi, Ruth Wanjau
 
Vol 17, No 1 (2003) Comparison of some preconcentration methods for certain metal ions in human milk and yogurts Abstract   PDF
F.O. Nwosu, F.A. Adekola, E. Ibitoye
 
Vol 25, No 2 (2011) Concentration levels of essential and non-essential elements in selected Ethiopian wines Abstract   PDF
Daniel Minilu Woldemariam, Bhagwan Singh Chandravanshi
 
Vol 25, No 1 (2011) Concentration levels of metals in commercially available Ethiopian roasted coffee powders and their infusions Abstract   PDF
Ramato Ashu, Bhagwan Singh Chandravanshi
 
Vol 23, No 1 (2009) CONCENTRATION LEVELS OF TRACE METALS IN FISH AND SEDIMENT FROM KUBANNI RIVER, NORTHERN NIGERIA Abstract   PDF
A. Uzairu, G.F.S. Harrison, M.L. Balarabe, J.C. Nnaji
 
Vol 18, No 1 (2004) Construction and optimisation of a cartridge filter for removing fluoride in drinking water Abstract   PDF
W.J. Mavura, F.T. Mwanyika, G. Wrensford
 
Vol 22, No 1 (2008) Contrast in clay mineralogy and their effect on reservoir properties in sandstone formations Abstract   PDF
Wolela Ahmed
 
Vol 21, No 1 (2007) Conversion of Vernonia galamensis oil to pyridinyl-vernolamides and their antimicrobial activities Abstract   PDF
M.N. Mbugua, A.O. Yusuf, P.M. Gitu, B.M. Bhatt
 
Vol 17, No 2 (2003) Coordination of cassava starch to metal ions and thermolysis of resulting complexes Abstract   PDF
Wojciech Ciesielski, Piotr Tomasik
 
Vol 20, No 1 (2006) COPPER(II) COMPLEXES OF o-VANILLIN ACETYLHYDRAZONE (H2L) AND THE SINGLE-CRYSTAL X-RAY STRUCTURE OF [{Cu(HL)(HO)(HPZ)}].NO3 Abstract   PDF
Ousmane Diouf*, Mohamed Gaye, Diariétou Gningue Sall, Abdou Salam Sall, Yves Pontillon, Andrea Caneschi
 
Vol 24, No 2 (2010) Cuauthemone sesquiterpenes and flavones from Laggera tomentosa endemic to Ethiopia Abstract   PDF
Kibrom Gebreheiwot, Dibaba Amenu, Nigist Asfaw
 
Vol 20, No 1 (2006) CUMENE CRACKING ON MODIFIED MESOPOROUS MATERIAL TYPE MCM-41 Abstract   PDF
Ahmed Belhakem*, Abdelkader Bengueddach
 
Vol 25, No 2 (2011) DABCO as a novel and efficient catalyst for the synthesis of 4(3H)-quinazolinone derivatives Abstract   PDF
Majid M. Heravi, Najme Javanmardi, Hossein A. Oskooie, Bita Baghernejad
 
Vol 23, No 1 (2009) DECOLORIZATION AND CHEMICAL REGENERATION OF GRANULAR ACTIVATED CARBON USED IN CITRIC ACID REFINING Abstract   PDF
Kang Sun, Jian-chun Jiang, Jun-ming Xu
 
Vol 21, No 1 (2007) Degradation and toxicity reduction of phenol by ultrasound waves Abstract   PDF
A. Maleki, A.H. Mahvi, A. Mesdaghinia, K. Naddafi
 
Vol 17, No 2 (2003) 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 Abstract   PDF
Mohammad Ali Taher
 
Vol 25, No 2 (2011) Derived thermodynamic properties of [o-xylene or p-xylene + (acetic acid or tetrahydro-furan)] at different temperatures and pressures Abstract   PDF
M. Rezaei-Sameti, M. Rakhshi
 
Vol 17, No 2 (2003) Determination of bromoxynil and ioxynil in the presence of carbamates by supported liquid membrane-liquid chromatography in river waters Abstract   PDF
Titus Motswadi Maswabi, Mathew M. Nindi
 
Vol 23, No 1 (2009) DETERMINATION OF CYPERMETHRIN RESIDUES IN GINGKGO BILOBA LEAVES BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY Abstract   PDF
Jin-Jun Zhang, Li-Guo Zang, Jin-E Zhang, Guan-Wei Cui, Bo Tang, Xiang-Yang Li, Li Zhou
 
Vol 21, No 2 (2007) DETERMINATION OF FREE CYANIDE AND TOTAL CYANIDE CONCENTRATIONS IN SURFACE AND UNDERGROUND WATERS IN BOGOSO AND ITS SURROUNDING AREAS IN GHANA Abstract   PDF
S. Obiri, D.K. Dodoo, F. Okai-Sam, D.K. Essumang
 
Vol 23, No 1 (2009) DETERMINATION OF IRON IN CHINESE HERBAL MEDICINE BASED ON THE FLUORESCENCE QUENCHING OF RHODAMINE 6G Abstract   PDF
Yilin Wang, Jianping Lu, Hong Yang
 
Vol 23, No 1 (2009) DETERMINATION OF METAL IONS RELEASED BY STAINLESS STEEL ARCH BAR INTO BIO-FLUIDS Abstract   PDF
Lori A. Joseph, Omoniyi K. Israel, Ekanem J. Edet, Patricia A. Ekwumemgbo
 
Vol 19, No 2 (2005) DETERMINATION OF MIXED STABILITY CONSTANTS OF LEAD(II)/URANYL(II)-NTA-CYSTEINE COMPLEXES BY PAPER ELECTROPHORESIS Abstract   PDF
Brij Bhushan Tewari
 
Vol 21, No 3 (2007) DETERMINATION OF NITRITE, NITRATE AND TOTAL NITROGEN IN VEGETABLE SAMPLES Abstract   PDF
Manas Kanti Deb, Manisha Thakur, Pushpa Khande
 
Vol 24, No 2 (2010) Determination of protonation constants of some 3-alkyl(aryl)-4-(p-t-butyl(benzyl/benzyliden)amino)-4,5-dihydro-1H-1,2,4-triazole-5-one derivatives in ethanol–water mixtures Abstract   PDF
Fatih İslamoğlu, İsmail Aksu, Bahittin Kahveci, Olcay Bekircan
 
Vol 21, No 2 (2007) DETERMINATION OF SERUM ALBUMIN WITH TRIBROMOARSENAZO BY SPECTROPHOTOMETRY Abstract   PDF
Qing-Zhou Zhai, Jing-Mei Li, Jun-Pin Wang
 
Vol 18, No 1 (2004) Determination of stability constants of iron(III) and chromium(III)-nitrilotriacetate-methyl cysteine mixed complexes by electrophoretic technique Abstract   PDF
Brij Bhushan Tewari
 
Vol 21, No 1 (2007) Determination of surface charge density of α-alumina by Acid - base titration Abstract   PDF
Justin W. Ntalikwa
 
Vol 24, No 1 (2010) Determination of trace amounts of zinc by flame atomic absorption spectrometry after separation and preconcentration onto modified natural analcime zeolite loaded 2,3,5,6-tetra(2-pyridyl)pyrazine Abstract   PDF
A. Shokooh Saljooghi, S.J. Fatemi, D. Afzali
 
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ISSN: 1726-801X
AJOL African Journals Online